- Start documenting the KIWI design
  + document the new XML design
  + start of high level data-flow/interaction diagram
- fixed LANG setup inside the kiwi initrd. LANG must be correctly
  set before calling fbiterm. Otherwise the multibyte characters
  in the target locale are not displayed correctly
- fixed 'run out of space' problem in LVM setup. use
  a relative 20% (min 30M) spare space per volume
- update internal data structure in-code documentation