* Improve drawing API and performance
* Eliminate commands, add message to event action
* CircularBuffer: noexcept and test
* IntSet: improve API, noexcept and test
* HighscoresDialog: fix selection bug and set focus
* Create NewRows and simplify RandomTiles
* Move ScrollerEvent from Swapper project
* ScrollerEvent uses NewRows class
* Fix LevelShowWidget interactive bug
* Fix StaticGridAnimation defaults bug
* Move some files to util folder
* Increase minor version