added license information

Change-Id: I18276c8bb850b4d780370eeca4abd54cc110b83c
updated license information

Change-Id: I6ee4f82133ca70a2ccc73ef8efd3a57e35047724
Renamed komma:hasDescendant to komma:descendant.

Change-Id: I16734bb7c1cae558f239b1e077cf856383a1fc1f
Only record changes for dirtying commands.

Change-Id: I75edabdf3ff447fd15980a237f223f6da6b48b36