Updates for Gradle stuff.

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Wed Apr 10 15:27:10 PDT 2013
+#Fri Nov 28 16:53:41 CST 2014
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-2.2.1-all.zip