update kotlin to 1.1.2-3

Author: tibbi

app/build.gradle

@@ -37,7 +37,7 @@ dependencies {
 }
 
 buildscript {
-    ext.kotlin_version = '1.1.1'
+    ext.kotlin_version = '1.1.2-3'
     repositories {
         mavenCentral()
     }