* added widget to track info screen to select between Free-For-All and Three Strikes Battle
* setting AI to zero and setting time target to 2 minutes for testing
* setting also hitcapture limit to prevent immediate race end
* setting m_count_down_reached_zero to false in ffa reset to allow starting a new race after the previous ended through time limit
* integrated necessary adjustments and made possible to set time target
* removed unused spinner variable
* use translations
* centralized is_soccer and show_ffa_spinner variables
* setting target value spinner visible/invisible depending on ffa game type
* using no hittarget and fix for this in free for all mode
* set use_highscores to false for FFA
* disabling AI for FFA
* disable hit limit icon for FFA if no hit limit is set ( = 0 )
* changed icon and name of three strikes battle to only battle in race setup screen
* set AI to Battle AI if mode is FFA
* added config parameters for FFA
* added define which can be used to enable FFA AI
* resolved merge conflict
* moved ffa options higher
* fix for setting ai karts
* improved m_show_ffa_spinner and m_is_soccer
* removed code for disabling widgets for FFA AI
* implemented requested changes
* moved soccer race options to track info screen
* using one spinner for both target mode values
* merged pointamount-spinner with lap-spinner and renamed it to target-value-spinner
* fixed identation
* small fix in track_info screen
* storing target value when value was changed
* making sure tartet spinners are invisible when not needed; small adjustments
* some test with solving space issues on small resolutions
* Revert "some test with solving space issues on small resolutions"
This reverts commit f6b6526681.
* test with collapsing widgets
* removed deleting childs of widgets in track_info_screen
* readded deleted spacer
* collapsing target type widgets is now working
* made target type spinner wider to have enough space for text in it on small resolutions
* re-added setting target value to invisible/visible
* using new collapsing widget function in track info screen for target type widgets
