Add alien containment management to game

Accessible by right clicking alien containment in base view.  Invoked
automatically if alienContainmentLimitEnforced is enabled and
containment limit is exceeded after a mission.
Add files to commit
Rename files
Centre ok button
More renaming and centering
Ensure available and used space does not include aliens under research
Update Ruleset.h
Update Ruleset.cpp
Update Ruleset.h
Update Ruleset.cpp
Merge pull request #11 from SupSuper/master

sync
If UFO detected by conventional radar, check other bases, maybe they has hyper-wave decoder.
Some optimizatios.
Merge pull request #12 from SupSuper/master

sync
Fixed: Hungarian soldier names.
Merge branch 'master' into containmentManagement

Conflicts:
	bin/data/Language/en-US.yml
	src/CMakeLists.txt
Add additional strings to en-GB too
Alter containment management screen colors
Merge pull request #13 from SupSuper/master

sync
CompilWarnings
refactornig