Initial commit of Apache plugin for phabricator.
Removed module cache files.
Added .gitignore.
Added temp files to .gitignore.
Added working apache-based authentication provider.  Very bare bones at the moment.
Changed namespace to RemoteUser because this library could be
used with a variety of web servers that populate REMOTE_USER variable.
Renamed library to libphremoteuser.
Added a better description message.
Cleaned up display button and naming.
Merge branch 'master' of https://github.com/psigen/libphremoteuser