ISO Loader 0.8.x Beta + preview of DreamShell v4.0 RC 5

[SWAT]

New build: https://github.com/DC-SWAT/DreamShell/re...0.0RC5-T34
Now the experience of UI should be a bit better.

Core:
- Fully re-designed cursor to hardware rendered.
- Fixed all glitches in UI.
- Improved scrolling of the FileManager widget using the joystick.
- Speedup UI rendering.
- Improved screenshot feature.
- Updated KallistiOS.
- Some minor fixes and cleanup.

ISO Loader:
- Added ability to boot from alternative binary file of image, not that set in IP.BIN.
- Fixed CDDA timer out of sync when IRQ are used.
- IGR checked for bootloader in moded BIOS first.
- Some minor fixes and cleanup.