+ "DoubleSlider: file is split to DoubleSliderForGcode and DoubleSliderForLayers in separate files
+ Suppress to add/delete ticks on update layers_slider from canvas when an application is a GCodeViewer
+ epsilon() is moved from DoubleSlider name space to CustomGCode
+ GLCanvas3D: refactoring for handle of events related to the manipulation with sliders
+ use callbacks to process navigation in sliders instead of wxEvents
* Non-MSW specific: Next improvements for BG of the controls
+ Create wrap class BitmapToggleButton to correct create under all platforms
+ TabFilament: Fixes crash on recreating of the app
* Next improvements for background under nonMSW systems
+ Fixed Field::SpinCtrl::propagate_value
* DropDown: Implemented transparent background for rounded corners.
+ Tab: use TextInput and SwitchButton for substitutions
+ nonMSW specific: Don't set BackgroundColors for panels
* ObjectManipulation: Use TextInput instead wxTextCtrl
* Process rectangle/rounded controls
+ Preferences: Added "Suppress round corners" parameter
* Skinned UI: SwitchButton. Use it for CheckBox Field
* Skinned UI: SpinInput
+ ScalableBitmap/ScalableButton respects to different width and height of bitmap.
* Skinned UI: ComboBox
* Skinned UI: CheckBox
