CFY-1324 add support for host_ip in local ctx
CFY-1324 add missing data for impl and add unit tests
CFY-1324 fix broken tests
some work on persistent storage
finish working persitent storage, needs refactoring
some cleanup
more refactoring
another rename
flake8
CFY-1324 add validation that host_id is valid
Merge branch 'CFY-1324-local-host-ip' into persistant-storage
Merge pull request #49 from cloudify-cosmo/CFY-1324-local-host-ip

Cfy 1324 local host ip
update gitignore
Merge pull request #50 from cloudify-cosmo/persistant-storage

Persistant storage
Bump version to 3.1m4
CFY-1185 use plugin 'executor' field to determine task queue
CFY-1185 refactor _verify_task_registered for mocking purposes
CFY-1185 added workflows plugin to common
CFY-1185 added license
CFY-1185 fix flake