[DF-348] UI Editor. Smart selection of controls on screen area.
[DF-348] UI Editor. Added recent files links to file menu. Also working project path is saved now.
[DF-348] UI Editor. MAC OS fix for control text.
[DF-348] UI Editor. Font size fix fot UITextField. Also corrected font selection box size (in Windows it looks inapropriate).
[DF-348] UI Editor. Implementation of UISlider support. Small defects fixed.
[DF-348] UI Editor. Fixed possible crash when new UISlider is created. Updated Visual Studio      project.
[DF-348] UI Editor. Undo/Redo functionality - infrastructure.
[DF-348] UI Editor. Undo/Redo functionality - implementation.
[DF-348] UI Editor. Undo/Redo functionality - implementation (Win32).
[DF-348] UI Editor. Requested changes to open/save project functionality. Changed folders of project resources. Bugs fixed. Some code optimization.
[DF-348] UI Editor. Undo/Redo functionality - remainings.
[DF-348] UI Editor. Added packing of sprites. Changed project folders and resources structure.
Two issues:
-Do we need to launch packing of resources each time the project is opened.
-Graphics fonts are not packed. Need to understand why.
[DF-348] UI Editor. Fixed bugs and feature requests implementation according to demand list.
[DF-348] activate scroll bar when ui component out of view port.
[DF-348] UI Editor. Updated VS project files. Fixed defect with Resource packer at Windows Platform.
basic infrastructure
[DF-517] pull forgotten files
[DF_517] small fixes to win version
[DF-566] restore java layer for android platform.
[DF-517] asser message for mac os & ios