Fix #607 - Sewing in the Dark
* added matches to cavern spawn list. Now you at least have a chance of escape.
Merge remote-tracking branch 'upstream/master'

Conflicts:
	mapitemsdef.cpp
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
advanced inventory: [e]xamine
* Fixed cavern canned food generation.
Merge remote-tracking branch 'upstream/master'
New health display.
Clean future weather on cleanup
Eating skill books on accident makes me SICP
Merge misc fixes.
Tweaked sleep code for cold, and added mirror conditions for being too hot
Reduced cold/hot related message spam
If a body part can't wear clothes due to a mutation, that body part is skipped
Being furry adds warmth
Bark mutation lowers blistering from fire
Added missing )s
Update changelog