Updated access to include +x.
Massive overhaul of search system, which resulted in a code reduction.
Minor edit.
Added new native plugin actions.
Added action "Grab Question"
- Instantly assigns the user (an answerer) to a question.
Added hide/show buttons for answerers on ticket updates.
Fixed bug pointed out by Matt.
merged some changes and new files from production
Merge MOODLE_23_STABLE; fix sc paradigm.

Merge MOODLE_23_STABLE. This lets us to once again treat master as the
development branch, and MOODLE_23_STABLE as stable snapshots. This will
hopefully be more sane.
add README and LICENSE