CFY-800 remove retrying proxies and modify some validation errors to be NonRecoverableError(s)
CFY-800 maintain traceback when re-raising recoverable error
CFY-800 validation errors to be NonRecoverableError instead of RuntimeError
CFY-800 small changes
CFY-800 small changes
CFY-800 most 4XX openstack errors should be non recoverable
Merge branch 'develop' into feature/CFY-800-use-recoverable-api
CFY-800 no more unit tests for openstack plugin
CFY-800 bug fix - wrap the right invocation
Merge pull request #10 from cloudify-cosmo/feature/CFY-800-use-recoverable-api

Use recoverable/nonrecoverable errors