Notepad DOT Qt: ძველი ვერსიები და ყველა ვერსია

- Implemented Application GUI style selection;
- Forced use UTF-8 encoding for Open and Save functions;
- Added application icon to title bar for application dialogs;
- Improved 'Copy', 'Cut', 'Delete' and 'Select All' behaviours;
- Improved 'Search with ...' functions behaviour;
- Improved 'Uppercase' and 'Lowercase' functions behaviour;
- Implemented Enable/Disable feature for Undo and Redo when needed in menubar;
- Changed default font size to '11' and application GUI style to 'Fusion';
- Fixed New Window closing behaviour;
- Fixed applying this session set font color when there is no text;
- Other minor changes and bug fixes.
- Now setup application targets the installation folder as 'Program Files' instead of 'Program Files (x86)' for 64-bit OS.