Replace OpenStack LLC with OpenStack Foundation

Change-Id: I5203554989bc7244cff2899d52c5764360bba60c
Fixes-Bug: #1214176
Remove unecessary `get_boolean` function

`get_boolean` is entirely equivalent to `bool_from_string` so just use that
instead.

Change-Id: I3cdcea2db882d49f6b4208ea579cff6f898c29e2
Updated from global requirements

Change-Id: Ie9e92b06eb28fa238c7cb923a65345c415dd3642
Prefix `utils.get_root_helper` with underscore

This function is internal to `utils` so should be begin with an underscore to
clarify that it's private.

Change-Id: I6fdb0c7d46867347d74b79ec1ed5749ef597258a
Merge "Prefix `utils.get_root_helper` with underscore"
Merge "Remove unecessary `get_boolean` function"
Merge "Replace OpenStack LLC with OpenStack Foundation"
Merge "Updated from global requirements"