- Cleanup use of objects
  * move xen check helper from KIWIBoot to global space
  * move kernel splash helper from KIWIBoot to global space
  * move buildmd5sum helper from KIWIBoot to global space
  * prevent instances of KIWIBoot just for the purpose of
    calling setupSplash and/or buildmd5sum
- Cleanup use of objects
  * write global function readXMLFromImage
  * use readXMLFromImage at all code parts which need to read
    the XML description from an image file
- Cleanup use of modules and base classes
  * prevent redefine of class methods
- Cleanup KIWIArchList and KIWIUtil for style, conventions and perl critic
- Follow up fix for calling kiwi from git checkout
  * fixup broken locale links in source boot image descriptions
  * added Makefile target to check/update locale links on install
Merge pull request #372 from openSUSE/review_140716_cleanup_classes

- Cleanup use of modules and broken symlinks in source tree