Updated interaction-trigger to work better.
New devel scripts for testing interaction-trigger.
Correct reaction-trigger documentation.
More straggling documentation errors in modtools.
new Lua library for persistent maps of arbitrary degree.
Made persist-table correctly clear its stuff after exiting a game.
Updated full-heal to properly use args system.

Also updated NEWS.
Fix persist-table so that all data is persistently stored properly.
interaction-trigger tweaks
Merge remote-tracking branch 'putnam/fullhealfix' into develop

Conflicts:
	NEWS
Update NEWS.
Merge remote-tracking branch 'dfhack/develop' into develop

Conflicts:
	NEWS