Updated copyright to short template and year 2018 across all files
diff --git a/common/kotlinx-coroutines-core-common/build.gradle b/common/kotlinx-coroutines-core-common/build.gradle
index e69de29..3b17101 100644
--- a/common/kotlinx-coroutines-core-common/build.gradle
+++ b/common/kotlinx-coroutines-core-common/build.gradle
@@ -0,0 +1,4 @@
+/*
+ * Copyright 2016-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
+ */
+