Frontend: * Enabled deletion of teams * Buttons to modify teams (add/edit/delete) are now disabled if options menu is opened from within a game room / local game setup (might change once open issues are fixed) * No longer load/save ignore and friends lists in local game setup

foreach(dir "Fonts" "Forts" "Graphics" "Locale" "Maps" "Music" "Sounds" "Themes" "Missions" "Names")
  add_subdirectory(${dir})
endforeach(dir)