Merge pull request #349 from Backendless/oleg.vyalyh/remove_gcm

Oleg.vyalyh/remove gcm

Author: ksv510

build.gradle

@@ -5,7 +5,7 @@ apply plugin: 'signing'
 
 
 group 'com.backendless'
-version '5.2.1-snapshot'
+version '5.2.2'
 archivesBaseName='backendless'