[Divers] GameEx v7.54

Une nouvelle version pour ce frontend « usine à gaz » multi-émulateurs/lecteur de vidéos/visualisateur de PDF/etc vient de paraître.

* Fixes and compatibility updates for Windows Vista and 64 bit versions of Windows
* Should now run out the box on Vista
* The Setup and applications have been digitally signed.
* Ben Baker’s Setup Wizard 1.74
* Fixes picture and slideshow transitions with latest ATI video drivers and on Vista.
* Asta La Vista.
* LCD/LED Plugin 1.5 Beta
* Ability to have custom MAME lists in MAME32 ini format
* Ability to import MAME32 Favorites.ini
* Fixes .net framework error at startup
* Should fix install exception if your GameEx install is old
* Updated MAME support files
* Fixes issues when using latest versions of catver.ini