- added disk tagging support for Windows Azure (bnc #815809)
  * added function writeVHDTag called in createVHDSubFormatFixed
  * added <type> attribute 'vhdfixedtag' to store the tag following
    the pattern: "[0-9a-f]{8}-([0-9a-f]{4}-){3}[0-9a-f]{12}"
- added .releasetags helper script to find release commits
- cleanup KIWIImageFormat class:
  * make the format code legacy code free
- update openSUSE 12.3 JeOS
  * make sure kernel-desktop is not installed by default
    if the xen profile is active. For some strange reason
    zypper always installs kernel-desktop which is unwanted
- update pre-commit hook:
  * add information about perl code verification
  * skip the unit test perl code from being verified by 'perl -w'
- removed use of getXenConfig_legacy:
  * use new KIWIXMLVMachineData object to handle this part