Upgrade to Kotlin 1.2.60

Author: sdeleuze

build.gradle.kts

@@ -1,7 +1,7 @@
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 
 plugins {
-	val kotlinVersion = "1.2.41"
+	val kotlinVersion = "1.2.60"
 	id("org.jetbrains.kotlin.jvm") version kotlinVersion
 	id("org.jetbrains.kotlin.plugin.spring") version kotlinVersion
 	id("io.spring.dependency-management") version "1.0.4.RELEASE"