* Add --venv delegation to ansible-test.
* Update import sanity test venv creation.
* Fix import test when using --venv on Python 2.x.
* Improve virtualenv setup overhead.
* Hide pip noise for import sanity test.
* Raise verbosity on venv info messages.
* Get rid of base branch noise for collections.
* Add missing --requirements check.
* Start of work to support collections
* remove version_added from base schema
* If a collection, pass that to validate-modules
* clean ups
* Allow version_added in a collection, just make it optional
* Don't traceback on missing doc_fragment
* Don't validate metadata in a collection