Added calls to ui code from events to display text
[BUG] something weird in performWander

sometimes game.ship.stations[crew.location] is nil, and that seems like
it should not be...
Fixed a problem when cto/engineer wandering to airlock
Merge branch 'master' into click_interactions

Conflicts:
	game/classes/ui_class.lua
Fixed some bugs and added a click handler to snowman
Merge branch 'master' of github.com-variousauthors:ZNCatlaw/LD31
Merge branch 'master' into click_interactions