More explicit support for return codes
Merge branch 'master' of github.com:pyfarm/pyfarm-agent into entrypoint_return_code
only start/stop requires --master (fixes #62)
fix agent_api url for status (fixes #63)
copy/paste error, only needed for start
Merge pull request #66 from pyfarm/entrypoint_return_code

More explicit return codes and other pyfarm-agent fixes
remerging sigint handling....
remerging sigint handling....
Merge branch 'master' of github.com:pyfarm/pyfarm-agent
adding warning on Windows for missing OpenSSL library
handling empty mac addresses
Merge pull request #69 from pyfarm/small_windows_fix

handling empty mac addresses
Merge branch 'master' of github.com:pyfarm/pyfarm-agent into jobtype_rework