fix osx build, revise instructions.
Vehicles now spawn in more interesting ways.
Changes quikclot recipe category to CHEMS.

Seems a better choice than MISC.
submaps now store temperature
Makes match head bomb slightly more achievable.
Fix debug vehicle spawn from attempting to board if the vehicle wasn't created.
Add a new directory lang/incoming for incoming translations.
Submap temp code, including DEBUG
Update recipes.json

Recipe edits for cat ears/tails
Update armor.json
Add cat ears and tails
Ice lab temps are now set through their submap
Cleanup for better readability.
Update lang/merge_po.sh to also import translations from lang/incoming.
Add empty translation file for Italian (lang/po/it.po).
Add new Chinese (Traditional) translation file (lang/po/zh_TW.po).
Import translations from launchpad.
Don't perform checks on .po files when compiling to .mo, just do it.
I18n for terrain and furniture names.
I18n for direction names.