Some bugfixes:
- swaped real and unreal update intervals;
- wheels in TRIK robot picture moved to back;
- 2D model is now again automaticly shown on interpretation start
- Repaired draw line and circle blocks
- Fixed linker`s floating segfault
Merge branch 'master' of github.com:qreal/qreal into robots
Removed color enumerations, used QColor(QString) instead
Merge branch 'robots' of github.com:dvvrd/qreal into robots

Conflicts:
	plugins/robots/interpreters/commonTwoDModel/src/engine/view/d2ModelWidget.h
Fixed incorrect rotation axis point
Fixed automatic centering on robot when returning it to far initial position
Corrected items position in examples
Fixed segfault on when main window
Merge pull request #1289 from dvvrd/robots

Some bugfixes for TrikStudio a8