[Core] Added CoreProxyServerWrapper.
[Core] Fixed unused var.
[Core] Register primary service.
[Interfaces] ICoreProxy_ptr should be a metatype.
[Core] No need in RegisterObject(QObject*) overload.
[Core] Fixed stuff.
[Core] Ignore null objects.
[Core] Register objects.
[Core] Pass proxy to D-Bus Init().
Merge branch 'master' of github.com:0xd34df00d/leechcraft