- Follow up fix for ppc installBootLoaderGrub2 changes
  * add a message if no bootloader installation will be done
- Prevent lazy umounts
  * revert commit: 58308ed, can't cleanly umount devpts here
    this needs to be done differently
  * if the kernel can't free the resource there is no chance
    for the user to even see that it was mounted before
- Fixed installBootLoader to work with x86 architecture again
- Fixed installBootLoaderGrub2 for EFI legacy BIOS boot
  * in this mode we have to install the bootloader for the i386-pc target