update version numbers to 2.2.0 to release

Author: fchauveau

gradle.properties

@@ -16,8 +16,8 @@
 # This option should only be used with decoupled projects. More details, visit
 # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
 # org.gradle.parallel=true
-VERSION_NAME=2.1.3-SNAPSHOT
-VERSION_CODE=20
+VERSION_NAME=2.2.0
+VERSION_CODE=220
 GROUP=com.code-troopers.betterpickers
 
 ANDROID_BUILD_MIN_SDK_VERSION=9