- eliminate some calls to _legacy methods
- moved some "old" accessors to _legacy in XML
  KIWIXMLInfo => getInstallSize_legacy
  KIWIXML     => getImageVersion_legacy
  KIWIXML     => getImageName_legacy
- DB: Moved definition of PXE as the first sentence
- DB: Removed linebreak after <screen> and before </screen>
      to avoid layout problems
- DB: rebuild documentation