Changes:
- #236: [Feature] Round corners
- #235: [Feature] Option to adjust row height
- #232: [Feature] Option to cache main menu
- #211: [Feature] Search all throughout the subfolders
- #229: [Feature] Option to set a position of the main menu
- #230: [Feature] Option to use Taskbar item
- #223: [BUG] Do not restart if DisplayChange was due to STM open
- #231: [BUG] Menu Spills Over Across Monitors
- #233: [BUG] COMException (0x8000FFFF) when exit while folder dialog open