gio: Rename the DBus.Address* methods
gio: Rename the DBus.Address* methods

Fix-ups to improve the DBus.Address* method names.

For example, DBus.GetStream(string address ...) is clear enough and
better than DBus.AddressGetStream(string address ...).

Gankov/gtk-sharp,antoniusriha/gtk-sharp,orion75/gtk-sharp,openmedicus/gtk-sharp,Gankov/gtk-sharp,akrisiun/gtk-sharp,openmedicus/gtk-sharp,akrisiun/gtk-sharp,Gankov/gtk-sharp,Gankov/gtk-sharp,openmedicus/gtk-sharp,sillsdev/gtk-sharp,sillsdev/gtk-sharp,Gankov/gtk-sharp,akrisiun/gtk-sharp,orion75/gtk-sharp,orion75/gtk-sharp,antoniusriha/gtk-sharp,sillsdev/gtk-sharp,orion75/gtk-sharp,antoniusriha/gtk-sharp,akrisiun/gtk-sharp,sillsdev/gtk-sharp,antoniusriha/gtk-sharp,openmedicus/gtk-sharp,Gankov/gtk-sharp,antoniusriha/gtk-sharp,akrisiun/gtk-sharp,sillsdev/gtk-sharp,openmedicus/gtk-sharp,openmedicus/gtk-sharp,orion75/gtk-sharp,openmedicus/gtk-sharp