Add E_TYPE_CAL_CLIENT_SOURCE_TYPE macro.
Add E_TYPE_CAL_CLIENT_SOURCE_TYPE macro.

matzipan/evolution-data-server,tintou/evolution-data-server,matzipan/evolution-data-server,Distrotech/evolution-data-server,tintou/evolution-data-server,tintou/evolution-data-server,gcampax/evolution-data-server,gcampax/evolution-data-server,Distrotech/evolution-data-server,gcampax/evolution-data-server,matzipan/evolution-data-server,matzipan/evolution-data-server,Distrotech/evolution-data-server,matzipan/evolution-data-server,Distrotech/evolution-data-server,gcampax/evolution-data-server,tintou/evolution-data-server,Distrotech/evolution-data-server