Jump to start/end of replay is now (dis)enabled correctly.
Fixed whitespaces/indentation.
Moved application class to app subproject and settings class to settings subproject. Removed Application subproject.
Restructured parts of the code.

Renamed Game subproject to GameLogic.
Created new subprojects Game and Game/Players.
Renamed ControllerManager/ReplayController/GameController to ViewManager/ReplayView/GameView.
Renamed GameLogic class to GameController.
Added project structure overview to README.md and wrote a sentence about the license.
Added override keywords. Settings::FourInALine inherits AbstractSettings now. Little fix in asynchronous artificial intelligence.
Running doxygen is now possible with 'make doc'.
Little fixes.
Fixed build process: make now recognizes changes to the static libraries.
It is now possible to let the player make a random move when he exceeds the time limit.
Implemented printing function for the highscore list.
Load game dialog now loads/shows first move player correctly.
Game configuration widget: Undo checkbox works correctly now.
Replay actions are now updated also when the game view state changes.
Replay actions jump to start/end are now enabled/disabled correctly.
Loading/saving a game/replay is now possible.
Added sound settings.
Fixed compiler error.
Changes to human player/game controller in preparation for game view implementation.
Merge branch 'master' of https://github.com/davidgreisler/vier-gewinnt