Applied IntelliJ suggection for full gradle

This allows other developers to see the gradle documentation if needed
rather than just having the binaries as the expense of slightly larger
initial download.

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Mon Oct 05 14:46:21 CEST 2015
+#Tue Oct 13 01:17:18 EDT 2015
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.3-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-2.3-all.zip