Upgrade to groovy 2.4.4

Author: bclozel

build.gradle

@@ -33,7 +33,7 @@ configure(allprojects) { project ->
 	ext.ehcachejcacheVersion = "1.0.1"
 	ext.fileuploadVersion    = "1.3.1"
 	ext.freemarkerVersion    = "2.3.23"
-	ext.groovyVersion        = "2.4.3"
+	ext.groovyVersion        = "2.4.4"
 	ext.gsonVersion          = "2.3.1"
 	ext.hibernate3Version    = "3.6.10.Final"
 	ext.hibernate4Version    = "4.3.10.Final"