aliens MC'd at mission end become XCom agents!

this is officially a silly idea
Merge branch 'recruit_aliens'
Merge branch 'master' of https://github.com/SupSuper/OpenXcom
Fixed missing terror site popups.
Radar ranges
braces to remove warning
Merge branch 'master' of github.com:hmaon/OpenXcom
Merge branch 'master' of https://github.com/SupSuper/OpenXcom