cleaning warnings
Extension to support gcm/Proactive
Revert "Extension to support gcm/Proactive"

This reverts commit c542d76ca9ac221b0afa972bcfb2ec57a4a509cb.
Revert "Revert "Extension to support gcm/Proactive""

This reverts commit aef3d55ae65230dfc393f01ceee2969bd8d034f9.
Files forgotten in for "Revert "Extension to support gcm/Proactive"