- fixed call of undefined subroutine &KIWIGlobals::qxx
- make sure profile information is used in all kiwi modes
- fixed stage directory check for grub2
- don't use grub2 modules from host system if not found in initrd
  + instead enable/disable support according to stages (BIOS/EFI)
  + print better error message in case of missing required stages
  + allow plain BIOS, plain EFI and EFI+BIOS setup