Various related string corrections in the gui/ files:
- Learn To Play → Learn to Play (articles, conjunctions, and prepositions are not capitalized in title case, unless it's the first word)
- Anti-Aliasing → antialiasing (missed in D2437/rP23368)
- Control Group Membership → Control group membership (added in D2176/rP23476)
- setup (verb) → set up
- fog-of-war → fog of war
- gamesetup → game setup
- gamesetting → game setting
- gamespeed → game speed
- in-game → in game (except when used as a compound adjective)