- add missing " in <user> element doc
- fix attribute name in <user> element description
- DB: rebuild documentation
- fixed KIWIIsoLinux genisoimage paramter list
  * if createLegacySortFile does not return a sort file the
    option -sort should also not be part of the commandline
    call
- fixed setup of /boot/efi directory
  * instead of checking for boot/efi check for the label EFI
    in the kiwi_JumpPart partition
  * even without a seperate boot partition there might be a
    an EFI partition which should be added into fstab