Updated Core to 4.2

Added the launch other app and be called by other apps also.
Access to keychain/shared preferences features in Security API
Added 4.2 library to webresources

Library 4.2 added
Updated with 4.2 changes

Updated Google Analytics library .
Changes in Security APi as well as Launch features
Updated with 4.2 changes

iOS platform updated with Google Analytics library compatible with iOS7
Launch features
Updated Runtime Android with 4.2 changes
Updated Runtime iOS with 4.2 changes