Bump version to 3.1m4
CFY-1163 move deployments execute to executions start
CFY-1163 move deployments execute to executions start
Merge branch 'master' into CFY-1163-flatten-rest-api
CFY-1163 move deployments execute to executions start
Merge pull request #43 from cloudify-cosmo/CFY-1163-flatten-rest-api

Cfy 1163 flatten rest api