use Groovy 2.3.6

Author: jeffscottbrown

build.gradle

@@ -30,7 +30,7 @@ ext {
     datastoreVersion = "3.1.2.BUILD-SNAPSHOT"
     gantVersion = "1.9.6"
     gdocEngineVersion = "1.0.1"
-    groovyVersion = "2.3.5"
+    groovyVersion = "2.3.6"
     ivyVersion = "2.3.0"
     jansiVersion = "1.11"
     jlineVersion = "2.12"

grails-bootstrap/src/main/groovy/org/codehaus/groovy/grails/resolve/GrailsCoreDependencies.java

@@ -31,7 +31,7 @@ public class GrailsCoreDependencies {
 
     public final String grailsVersion;
     public final String servletVersion;
-    protected final String groovyVersion = "2.3.5";
+    protected final String groovyVersion = "2.3.6";
     protected final String springVersion = "4.0.6.RELEASE";
     protected final String log4jVersion = "1.2.17";
     protected final String h2Version = "1.3.176";