derivative-request

chris steipp requested that:

* includes/Adapters/Php/MediawikiTemplatePhpAdapter.php should use a derivative request
  object instead of curling the api. If this isn't possible for some reason, it needs to
  use https instead of http.

while working on this request i also found an issue with the retrieval of MediaWiki templates
that contain a space in their title, Musical work, or do not exist; corrected the issue.

Change-Id: I493df13429abe5f05b7bfb7d75a7633cde5c8657