Update copyright year to 2019 in all the knit-generated files
diff --git a/reactive/coroutines-guide-reactive.md b/reactive/coroutines-guide-reactive.md
index 5942326..1da4250 100644
--- a/reactive/coroutines-guide-reactive.md
+++ b/reactive/coroutines-guide-reactive.md
@@ -1,6 +1,6 @@
 <!--- INCLUDE .*/example-reactive-([a-z]+)-([0-9]+)\.kt 
 /*
- * Copyright 2016-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
+ * Copyright 2016-2019 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
  */
 
 // This file was automatically generated from coroutines-guide-reactive.md by Knit tool. Do not edit.
diff --git a/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-basic-01.kt b/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-basic-01.kt
index 19c67f8..f3bc344 100644
--- a/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-basic-01.kt
+++ b/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-basic-01.kt
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
+ * Copyright 2016-2019 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
  */
 
 // This file was automatically generated from coroutines-guide-reactive.md by Knit tool. Do not edit.
diff --git a/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-basic-02.kt b/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-basic-02.kt
index 6d48cb0..0e0ff2e 100644
--- a/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-basic-02.kt
+++ b/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-basic-02.kt
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
+ * Copyright 2016-2019 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
  */
 
 // This file was automatically generated from coroutines-guide-reactive.md by Knit tool. Do not edit.
diff --git a/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-basic-03.kt b/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-basic-03.kt
index 5846991..b84fc08 100644
--- a/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-basic-03.kt
+++ b/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-basic-03.kt
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
+ * Copyright 2016-2019 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
  */
 
 // This file was automatically generated from coroutines-guide-reactive.md by Knit tool. Do not edit.
diff --git a/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-basic-04.kt b/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-basic-04.kt
index 5c373a7..a08c41f 100644
--- a/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-basic-04.kt
+++ b/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-basic-04.kt
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
+ * Copyright 2016-2019 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
  */
 
 // This file was automatically generated from coroutines-guide-reactive.md by Knit tool. Do not edit.
diff --git a/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-basic-05.kt b/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-basic-05.kt
index 5fa322e..e6428b9 100644
--- a/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-basic-05.kt
+++ b/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-basic-05.kt
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
+ * Copyright 2016-2019 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
  */
 
 // This file was automatically generated from coroutines-guide-reactive.md by Knit tool. Do not edit.
diff --git a/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-basic-06.kt b/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-basic-06.kt
index 6c730b3..1f3747f 100644
--- a/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-basic-06.kt
+++ b/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-basic-06.kt
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
+ * Copyright 2016-2019 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
  */
 
 // This file was automatically generated from coroutines-guide-reactive.md by Knit tool. Do not edit.
diff --git a/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-basic-07.kt b/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-basic-07.kt
index 7d4a788..b4cc9fc 100644
--- a/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-basic-07.kt
+++ b/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-basic-07.kt
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
+ * Copyright 2016-2019 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
  */
 
 // This file was automatically generated from coroutines-guide-reactive.md by Knit tool. Do not edit.
diff --git a/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-basic-08.kt b/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-basic-08.kt
index dae5066..8e17ac9 100644
--- a/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-basic-08.kt
+++ b/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-basic-08.kt
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
+ * Copyright 2016-2019 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
  */
 
 // This file was automatically generated from coroutines-guide-reactive.md by Knit tool. Do not edit.
diff --git a/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-basic-09.kt b/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-basic-09.kt
index c43b2a6..738c4ab 100644
--- a/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-basic-09.kt
+++ b/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-basic-09.kt
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
+ * Copyright 2016-2019 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
  */
 
 // This file was automatically generated from coroutines-guide-reactive.md by Knit tool. Do not edit.
diff --git a/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-context-01.kt b/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-context-01.kt
index 2b03fbe..b12e92a 100644
--- a/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-context-01.kt
+++ b/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-context-01.kt
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
+ * Copyright 2016-2019 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
  */
 
 // This file was automatically generated from coroutines-guide-reactive.md by Knit tool. Do not edit.
diff --git a/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-context-02.kt b/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-context-02.kt
index 9dea738..990d90a 100644
--- a/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-context-02.kt
+++ b/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-context-02.kt
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
+ * Copyright 2016-2019 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
  */
 
 // This file was automatically generated from coroutines-guide-reactive.md by Knit tool. Do not edit.
diff --git a/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-context-03.kt b/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-context-03.kt
index 35757be..edaba3d 100644
--- a/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-context-03.kt
+++ b/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-context-03.kt
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
+ * Copyright 2016-2019 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
  */
 
 // This file was automatically generated from coroutines-guide-reactive.md by Knit tool. Do not edit.
diff --git a/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-context-04.kt b/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-context-04.kt
index d6d5771..3c5d3fb 100644
--- a/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-context-04.kt
+++ b/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-context-04.kt
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
+ * Copyright 2016-2019 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
  */
 
 // This file was automatically generated from coroutines-guide-reactive.md by Knit tool. Do not edit.
diff --git a/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-context-05.kt b/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-context-05.kt
index 614e534..61b54b2 100644
--- a/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-context-05.kt
+++ b/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-context-05.kt
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
+ * Copyright 2016-2019 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
  */
 
 // This file was automatically generated from coroutines-guide-reactive.md by Knit tool. Do not edit.
diff --git a/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-operators-01.kt b/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-operators-01.kt
index bf79a65..8268ef2 100644
--- a/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-operators-01.kt
+++ b/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-operators-01.kt
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
+ * Copyright 2016-2019 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
  */
 
 // This file was automatically generated from coroutines-guide-reactive.md by Knit tool. Do not edit.
diff --git a/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-operators-02.kt b/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-operators-02.kt
index defd8e5..6fd997f 100644
--- a/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-operators-02.kt
+++ b/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-operators-02.kt
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
+ * Copyright 2016-2019 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
  */
 
 // This file was automatically generated from coroutines-guide-reactive.md by Knit tool. Do not edit.
diff --git a/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-operators-03.kt b/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-operators-03.kt
index f1be007..b304193 100644
--- a/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-operators-03.kt
+++ b/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-operators-03.kt
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
+ * Copyright 2016-2019 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
  */
 
 // This file was automatically generated from coroutines-guide-reactive.md by Knit tool. Do not edit.
diff --git a/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-operators-04.kt b/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-operators-04.kt
index bbc2e7b..c57e78f 100644
--- a/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-operators-04.kt
+++ b/reactive/kotlinx-coroutines-rx2/test/guide/example-reactive-operators-04.kt
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
+ * Copyright 2016-2019 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
  */
 
 // This file was automatically generated from coroutines-guide-reactive.md by Knit tool. Do not edit.