Updated languages.
fix alien item levels
accurate UFO directions
reaction fire stuff, it'd probably bore you.
clean up that psi stuff.
this should fix aliens erroniously deciding they can throw grenades
fix aliens erroniously priming grenades they can't throw
Updated package description and fixed build issues after switching to yaml-cpp 0.5.1
Merge pull request #680 from knapsu/deb-update

DEB package update
craft weapon typo
more grenade fixings
Merge pull request #682 from kevL/craft_typo

craft weapon typo
no more falling civilian noises
- Added clip research requirement for weapon manufactures.
- Added message for when all aliens are killed in UFO crash.
- Fixed UI bugs.
- Updated languages.
Fixed UI bugs.
Updated language plurality.
Fix for GetLoc
Merge pull request #679 from kevL/ufo_directions

accurate UFO directions
fix infinite loop in AI
fix grenade timers

alters the grenade turn counter to count down at the end of each player and
alien turn

fix for issue 231
fix small bug in research/manufacture