UI fixes.
More LOS fixes

no more horizontal gaps, and citizens won't give expose tiles anymore.
fix for fall state
Merge branch 'master' of https://github.com/SupSuper/OpenXcom .......
Merge branch 'recruit_aliens'
zombie fix.
Merge branch 'master' of https://github.com/SupSuper/OpenXcom
don't mess up names of alien defectors