Add support for multiple disc.
Update screen.
Add comments.
Bugfix.
CleanUp.
DoState.
Remount all references in Remount func.
Change state to ready when umdActivated is false.
Make distinction for multiple disc.
Revert "Change state to ready when umdActivated is false."

This reverts commit 1c133ff5fe0b53bc0060ebf12911751c2ee78d08.
Minor x86 optimizations
Buildfix cmake
Uninitialized variable fix