Merge branch 'feature/CLOUDIFY-2486-dedicated-celery-config-folder' into feature/CLOUDIFY-2507-multiple-workers-on-host

Conflicts:
	worker_installer/tasks.py
Merge branch 'feature/CLOUDIFY-2506-is-management-node' into feature/CLOUDIFY-2507-multiple-workers-on-host

Conflicts:
	worker_installer/tasks.py
	worker_installer/tests/test_worker_installer.py
added
Merge branch 'develop' into feature/CLOUDIFY-2507-multiple-workers-on-host

Conflicts:
	worker_installer/tasks.py
CLOUDIFY-2507 fix formatting
CLOUDIFY-2507 fix formatting
CLOUDIFY-2507 fix tests
CLOUDIFY-2507 fix tests
CLOUDIFY-2507 fix tests
CLOUDIFY-2507 added debug logs
CLOUDIFY-2507 added debug logs
CLOUDIFY-2507 fix prepanding logic
Merge pull request #13 from CloudifySource/feature/CLOUDIFY-2507-multiple-workers-on-host

Feature/cloudify 2507 multiple workers on host