Improved test cleanup
Merge pull request #15 from abravalheri/dev

Improve test teardown
Initialised fancy directory
Refactored core API to a package; Updated tests
Fixed function prototypes.
Updated examples for repackaged core API
Removed unnecessary directory.
Updated help messages for new core API
Merge branch 'fancy-api' of https://github.com/fagg/matlab-zmq into fancy-api

Conflicts:
	make.m
	tests/runner.m
	tests/test_zmq_bind.m
	tests/test_zmq_connect.m
	tests/test_zmq_ctx_get.m
	tests/test_zmq_getsockopt.m
	tests/test_zmq_req_rep.m
	tests/test_zmq_req_rep_multipart.m
	tests/test_zmq_setsockopt.m
	tests/test_zmq_socket.m