Environment:
- Events handling is improved (more accurate actions on no active area);
- Main menu is reimplemented;
- Scrolling attributes no longer calculated on geom processing.
- On screen lines support is implemented (with corresponding part in interaction).

Languages:
- getActionTitle() method for all languages is  added.

Applications:
- Commander application is improved.

Sounds:
- beep2.ly sound is added;
- main-menu-item sound is moved to main-menu-empty-line;
- New main-menu-item sound is added.