Changed windows markup
Improved ribbon markup (in ribbon lib and in 'user-defined' tabs)
Window lib refactoring (added multilpe template / viewmodels support);
Added statusbar support for the Window lib.
Fixed bug when click on canvas area (when not resizing) invokes EndResize method
Implemented statusbar;
Improved application state movel;
Zoom functions moved from the old code;
Added fullscreen sketch functions.
Small refactoring of statusbar markup/styles
Changes in ribbon markup:
Fixed view ribbon;
Small changes in home ribbon.
Removed obsolete old code
Added print function;
Fixed exit function;
Added go to full screen function.
Styles optimized.
Refactoring of colorpicker;
Added size to the colorpicker's window.
View tab markup improved