added missing files

engine/CustomModels/channelmodel.cpp

engine/CustomModels/channelmodel.h

engine/CustomModels/usermodel.cpp

engine/CustomModels/usermodel.h

engine/WinRt/keypadhelper.cpp

engine/WinRt/keypadhelper.h

engine/WinRt/winrtfix.h

engine/android/androidbadges.cpp

engine/android/androidbadges.h

engine/android/androidcheckpermissions.cpp

engine/android/androidcheckpermissions.h

engine/android/androidfiledialog.cpp

engine/android/androidfiledialog.h

engine/android/androidstatusbarcolor.cpp

engine/android/androidstatusbarcolor.h

engine/api/meteorddp.cpp

engine/api/meteorddp.h

engine/api/restapi.cpp

engine/api/restapi.h

engine/config.h