Cleanups, Context fix

	modified:   Build.PL
	modified:   lib/POEx/ZMQ3/Context.pm
	modified:   lib/POEx/ZMQ3/Role/Emitter.pm
	modified:   lib/POEx/ZMQ3/Sockets.pm
	modified:   t/01_component/01_repreq.t
Drop MooX::Struct in backend for now.

I still love you, tobyink, I just need to save a little RAM ;-)

	modified:   Build.PL
	modified:   TODO
	modified:   lib/POEx/ZMQ3/Sockets.pm
	new file:   lib/POEx/ZMQ3/Sockets/ZMQSocket.pm
Next vers is 0.02