Update Kotlin to 1.3.3x

Updates the Kotlin version of the language server to 1.3.3x

Author: fwcd

gradle.properties

@@ -1,7 +1,7 @@
 teamCityUrl=https://teamcity.jetbrains.com
 teamCityUsername=guest
 teamCityPassword=guest
-kotlinVersion=1.3.11
-kotlinBuildType=Kotlin_130_CompilerAllPlugins
-kotlinBuild=1.3.11-release-272
-kotlinPluginBuild=1.3.11-release-IJ2018.3-1
+kotlinVersion=1.3.30
+kotlinBuildType=Kotlin_1330_CompilerAllPlugins
+kotlinBuild=1.3.31-release-198
+kotlinPluginBuild=1.3.31-release-IJ2019.1-1