back out Test::TCP-using test

	modified:   dist.ini
	modified:   lib/POEx/ZMQ/Constants.pm
	modified:   lib/POEx/ZMQ/Socket.pm
	modified:   t/poex/zmq/socket.t
warn when buffering on EFSM

	modified:   lib/POEx/ZMQ/Socket.pm
Bare import list for Time::HiRes in FFI::Socket

	modified:   lib/POEx/ZMQ/FFI/Socket.pm
t/ cleanups

	modified:   t/poex/zmq/socket.t
explicit Import::Into dep

	modified:   dist.ini
	modified:   lib/POEx/ZMQ.pm
POD
v0.001001

  - Issue warnings when buffering on EFSM

  - More Constants.pm fixes/cleanups