Test commit
Merge branch 'master' of https://github.com/dvvrd/qreal into robots
Merge branch 'robots' of https://github.com/dvvrd/qreal into robots
Merge branch 'robots' of https://github.com/dvvrd/qreal into robots
Merge branch 'robots' of https://github.com/dvvrd/qreal into robots
Added state buttons to 2D model