Added missed LICENSE.txt (CMake fails to compile without it).
Merge pull request #856 from winterheart/license-fix

Added missed LICENSE.txt (CMake fails to compile without it).
Missed mods
Merge branch 'master' of https://github.com/SupSuper/OpenXcom
More installer fixes
fix unit sprite glitch that's been annoying me

unit sprites need an extra 50% either side when aiming to allow for the
full length of the weapon they are firing to be displayed
whoops
Merge remote-tracking branch 'upstream/master' into experimental
Merge remote-tracking branch 'origin/experimental' into experimental

(How is that even possible I don't even know)