Bumps gradle wrapper version

Author: Josh Deffibaugh

gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://github.com/optimizely/gradle/releases/download/REL_2.4-20150402032942%2B0000/gradle-2.4-20150402032942.0000-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-2.10-all.zip