CFY-759 mainly docs init
CFY-759 added tox support
Merge branch 'develop' into feature/CFY-759-repo-optimizations
CFY-759 fixed make dev
CFY-759 testing tox
CFY-759 renamed test-requirements and dev-requirements and excluded docs build
CFY-759 travis and tox fix
tox fix by using an older version of tox
Merge pull request #7 from cloudify-cosmo/feature/CFY-759-repo-optimizations

Feature/cfy 759 repo optimizations