Custom Firmware 5.50GEN-C released.

Changelog:
* Ability to run 5.51 + games without having to patch (UMD or ISO)
* Ability to run protected games like Soul Calibur or FMA example (UMD or ISO)
* Possibility to launch demos PSN requiring 5.51 + without having to patch them as AMS
* Connection via PSN MEDIAGO without having to install complicated utility (option in beta yet)
* Possibility to use the XGEN Updater to install the official firmware 6.10 (For use only if you have a Pandora XGEN handy to be able to return later in Custom firmware.

Known bugs:
* IRShell can no longer launch ISO patch but the patch will be released in a few minutes
* Video playback 480x272 raises concerns but a fix is being studied.
* The option to accelerate the reading of MS is being ported to 5.50GEN.