Release 2.4.13: update versions

Author: paulk-asert

gradle.properties

@@ -13,9 +13,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-groovyVersion = 2.4.13-SNAPSHOT
+groovyVersion = 2.4.13
 # bundle version format: major('.'minor('.'micro('.'qualifier)?)?)? (first 3 only digits)
-groovyBundleVersion = 2.4.13.SNAPSHOT
+groovyBundleVersion = 2.4.13
 
 gradle_version=2.14.1