
Recognize Amiga floppy images *.adf, *.adz, *.dms and *.fdi as 512-byte block disk images rather than CD images.


This is so that once a normal user has gone through this, the application will not automatically want to elevate next time as well, because once elevated, changes in options are made for the elevated user and not for the normal user The prompt asking to restart now allows to restart without saving current selection.

Rewrote parts of the ISO9660 parsing to get rid of the annoying memory allocation warnings in case of extremely large buffer allocations.
