Removed CVS IDs.
Update preface.xml
Update itsm.xml
Update preface.xml
Update itsm.xml

further review necessary
Update itsm.xml

Many more changes needed here
Update commercial-services.xml

further review required
Update installation.xml
Update first-steps.xml
Update service-desk.xml
Update cmdb.xml
Update incident-problem.xml
Merge branch 'master' of https://github.com/mthiessmeier/doc-itsm