Upgrade to Kotlin 1.1.2-5

Changelog: https://github.com/JetBrains/kotlin/releases/tag/v1.1.2-5

build.gradle

@@ -1,5 +1,5 @@
 buildscript {
-	ext.kotlinVersion = '1.1.2-4'
+	ext.kotlinVersion = '1.1.2-5'
 	repositories {
 		maven { url "https://repo.spring.io/plugins-release" }
 	}