Exported prior reviews from Gerrit Code Review
Update notes for submitted changes

* Refactoring: moved Literal over to komma runtime.
Update notes for submitted changes

* Do no filtering at all if filter is not specified.
Update notes for submitted changes

* Removed legacy URIUtil class.
Update notes for submitted changes

* Minor cleanup.
Update notes for submitted changes

* Correctly compute result values of nested composite commands.
Update notes for submitted changes

* Allow to add extra data to BasicDiagnostic.
Update notes for submitted changes

* Minor changes of commands.
Update notes for submitted changes

* Return reasonable values for getAffectedObjects.
Update notes for submitted changes

* added license information
Update notes for submitted changes

* updated license information
Update notes for submitted changes

* Fixed constructor of ExtendedCompositeCommand.