Amed 3.0 released

* Fixed a stupid bug on redefining the keys (the new could not be taken)
* New interface based on tabs (zeblackos thank you;))
* Added alpha lerp for a smoother appearance on the screen
* Add to download list management (many more games available)
* Change EI_delay each direction (slower but more consistent, Tetris running again)
* A bit faster (optimization of the display)
* Management mode of the DS (the cover closed pauses execution)
* Improving the management of the keyboard with the stylus