Merge pull request #20 from code-mancers/build-msgpack-0mq-in-build-dir

Build msgpack 0mq in build dir
update readme with instructions to cleanup build files
Merge pull request #21 from code-mancers/checkin-bootstrap-files-for-msgpack

Checkin bootstrap files for msgpack
include nzmqt as a submodule from github repo
update submodule to get pri file which can be included in rbkit pro file
start using qt bindings imported from nzmqt
remove code which directly uses zmq.hpp as nzmqt imports zmq.hpp