Get rid of build warning.
Untested device parser code.
Fix copyright.
Commit working device parser.
Change delegate methods to be internal. Minor refactoring in UPnPDB.
Rename UPnPDB to UPnPRegistry.
Implement usage of abstract UPnP service objects.
Implicitly unwrap required UPnP values for a device based on UPnP spec.
Finish service parser implementation. Move default base URL setting to the base class AbstractUPnP.
Create concrete UPnP service objects.
Add AFNetworking pod. Update upnpx library to fix protocol syntax allowing the compatibility protocol to be removed.