update gradle wrapper

Author: oshai

.gitignore

@@ -6,9 +6,6 @@ build/
 # Ignore Gradle GUI config
 gradle-app.setting
 
-# Avoid ignoring Gradle wrapper jar file (.jar files are usually ignored)
-!gradle-wrapper.jar
-
 # Cache of project
 .gradletasknamecache
 
@@ -69,7 +66,7 @@ fabric.properties
 .mtj.tmp/
 
 # Package Files #
-*.jar
+#*.jar
 *.war
 *.ear