CFY-718 added requirements.txt
CFY-718 fixed travis configuration
CFY-718 fixed travis
CFY-718 fixed flake8
Merge pull request #1 from cloudify-cosmo/feature/CFY-718-remove-dep-links

Feature/cfy 718 remove dep links
CFY-759 mainly docs init
CFY-759 added tox support
CFY-759 added tox support
CFY-759 optimized makefile
CFY-759 travis and tox fix
CFY-759 travis and tox fix
Merge pull request #2 from cloudify-cosmo/feature/CFY-759-repo-optimizations

Feature/cfy 759 repo optimizations
CFY-884 added plugin.yaml
CFY-884 use url for cloudify.types
update common version dependency
CFY-616 added version file
CFY-616 added version file
edit VERSION file by nightly build
edit VERSION file by nightly build
edit VERSION file by nightly build