initial poc for fabric ctx
refactor code so that client and server proxy code are seperated and make the client not dependent on requests library
flake8
remove shabang
restore shabang
move CTX_SOCKET_URL constant to client
Merge branch 'master' into fabric-ctx
CFY-1848 cleanup
CFY-1848 test with sudo false for docker container
CFY-1848 add proxy to packages
CFY-1848 remove proxy from script plugin (moved to plugins common)
CFY-1848 use proxy that is now part plugins common
CFY-1848 move proxy unit tests to plugins common
CFY-1848 remove bottle and argparse dependency
CFY-1848 flake8
CFY-1848 for travis
Update dev-requirements.txt
Merge pull request #11 from cloudify-cosmo/CFY-1848-fabric-ctx

Support ctx proxy in fabric