Always load plugins.php if get_plugins() does not exist
Do the same for the extensions include, for good measure
Create wrapper method for get_plugins()
Slight change to unit test bootstrap to see if it fixes strange travis error
Merge pull request #604 from x-team/issue-603

Always load plugins.php if get_plugins() does not exist
Merge x-team/wp-stream develop into xteam-develop-merge