Update copyright year to 2019 in all the knit-generated files
diff --git a/docs/basics.md b/docs/basics.md
index 8e41ab4..13ab725 100644
--- a/docs/basics.md
+++ b/docs/basics.md
@@ -1,6 +1,6 @@
 <!--- INCLUDE .*/example-([a-z]+)-([0-9a-z]+)\.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.md by Knit tool. Do not edit.
diff --git a/docs/cancellation-and-timeouts.md b/docs/cancellation-and-timeouts.md
index 5f5fecd..afb8da9 100644
--- a/docs/cancellation-and-timeouts.md
+++ b/docs/cancellation-and-timeouts.md
@@ -1,6 +1,6 @@
 <!--- INCLUDE .*/example-([a-z]+)-([0-9a-z]+)\.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.md by Knit tool. Do not edit.
diff --git a/docs/channels.md b/docs/channels.md
index 2acb242..5550759 100644
--- a/docs/channels.md
+++ b/docs/channels.md
@@ -1,6 +1,6 @@
 <!--- INCLUDE .*/example-([a-z]+)-([0-9a-z]+)\.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.md by Knit tool. Do not edit.
diff --git a/docs/composing-suspending-functions.md b/docs/composing-suspending-functions.md
index 91cfeab..ed0d85c 100644
--- a/docs/composing-suspending-functions.md
+++ b/docs/composing-suspending-functions.md
@@ -1,6 +1,6 @@
 <!--- INCLUDE .*/example-([a-z]+)-([0-9a-z]+)\.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.md by Knit tool. Do not edit.
diff --git a/docs/coroutine-context-and-dispatchers.md b/docs/coroutine-context-and-dispatchers.md
index 8590ed6..cf2a9e4 100644
--- a/docs/coroutine-context-and-dispatchers.md
+++ b/docs/coroutine-context-and-dispatchers.md
@@ -1,6 +1,6 @@
 <!--- INCLUDE .*/example-([a-z]+)-([0-9a-z]+)\.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.md by Knit tool. Do not edit.
diff --git a/docs/exception-handling.md b/docs/exception-handling.md
index 5f15219..349b703 100644
--- a/docs/exception-handling.md
+++ b/docs/exception-handling.md
@@ -1,6 +1,6 @@
 <!--- INCLUDE .*/example-([a-z]+)-([0-9a-z]+)\.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.md by Knit tool. Do not edit.
diff --git a/docs/select-expression.md b/docs/select-expression.md
index b085b93..a9bf7f2 100644
--- a/docs/select-expression.md
+++ b/docs/select-expression.md
@@ -1,6 +1,6 @@
 <!--- INCLUDE .*/example-([a-z]+)-([0-9a-z]+)\.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.md by Knit tool. Do not edit.
diff --git a/docs/shared-mutable-state-and-concurrency.md b/docs/shared-mutable-state-and-concurrency.md
index ed8f330..48d3d70 100644
--- a/docs/shared-mutable-state-and-concurrency.md
+++ b/docs/shared-mutable-state-and-concurrency.md
@@ -1,6 +1,6 @@
 <!--- INCLUDE .*/example-([a-z]+)-([0-9a-z]+)\.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.md by Knit tool. Do not edit.