CIFS: Fix cred option not detected + remove checking for cred options completely so that users are not stuck with the guest mount option when they want to use other then the cred cifs mount option. Only use guest option by default when no other BACKUP_OPTIONS are given
Fix cryptsetup bugs: original luks UUID was not restored and luks UUID's starting with a number were missing first character/number on recreated/restored device
Merge pull request #207 from SvenVD/SvenVD

CIFS allow all BACKUP_OPTIONS + Fix broken cryptsetup