add proxy control flow and test
new zmq_proxy is zmq_proxy_steerable to respect C API
add tests/test_proxy in gitignore
Merge pull request #713 from ricnewton/master

Use consistant integer type in raw_decoder
add doc to zmq_proxy_steerable
small fix inzmq_proxy_steerable doc
Merge pull request #712 from lalebarde/master

add proxy control flow and test
Cleaned up the code

- removed unnecessary malloc
- spaces, not tabs to indent
- renamed control states to be more logical
- renamed SUSPEND to PAUSE, feels more accurate
- fixed indentation, which was off in places
Merge pull request #714 from hintjens/master

Cleaned up the code
Add new tests to CMakeLists.txt