initial version with google support

CMakeLists.txt

HandlerFactory.cpp

HandlerFactory.h

handlers/ApplePushHandler.cpp

handlers/ApplePushHandler.h

handlers/GooglePushHandler.cpp

handlers/GooglePushHandler.h

handlers/TestHandler.cpp

handlers/TestHandler.h

main.cpp

models/ApplePushModel.cpp

models/ApplePushModel.h

models/GooglePushModel.cpp

models/GooglePushModel.h

utils.cpp

utils.h