- make sure grub2/grub2-efi are part of the isoboot initrd
- make grub2 search more robust by searching for a flag file
  named like the unique ID used in the ISO header or MBR. This
  completes (bnc #799488)
- support the profiles attribute for user definitions
  at the "group" level (bnc #77152)
  * implement new tests
  * update consistency checks
- Remove getEc2Config_legacy method from XML
  + Change client code to use new getEC2Config method and work with the
    returned EC2ConfigData object
- Change getDisplayName implementation in XML
  + Use data from the new data structure to return the name
- Reorder some operations in the EC2 image creation step
  + Facilitate early exit by first checking the architecture
  + Eliminate all _lgacy calls from this code path
  + Move variable initialization closer to the place where the values
    are used
  + Handle all AWS account stuff towards the end of the method,
    when we need the information, as this is not treated as
    an error anyway
- Fix link in documentation
  + The repo for the EC2 tools moved from Virtualization:/Cloud to Cloud:/
- fixed use of undefined value as an ARRAY reference in
  KIWIXML::getUsers() method
- fixed hybrid iso search to respect partition devices and
  prefer them over the entire disk device. Additionally don't
  set a loop on the found device anymore which was used to
  workaround the busy state set by the kernel.