Phat PSP fixes.
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Revision 712

Rev 289 - Salvy
[-] Removed EasyMessage lib (was causing high usage of memory and thus crashing phats when pressing home)
[+] Implemented new dialog lib (WIP!!!!)
[-] Removed debug options which aren't longer needed.
Rev 290 - Salvy
[!] More work to new dialogs
Rev 291 - Salvy
[!] Wait until all buttons are released when showing a dialog
[~] Added exit dialog to CoverFlow GUI
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