Refactor: Removing duplication in connector related code in both client and server.
Need to refactor connectors depending on CliConnectorBase.
Refactor step 2: Moved all connector common parts to the super class (CliConnectorBase).
Merge branch 'master' into refactor/context_script_on_client
Updated OpenStack.
Merge branch 'master' into refactor/context_script_on_client
Changed some methods visibility in ConnectorBase.
Log the environment when we fork.
Merge branch 'master' into refactor/context_script_on_client
Minor. Code review updates.
Merge pull request #209 from slipstream/refactor/context_script_on_client

Improvements of the agreement between SS Server and SS client for connectors.