[bugfix] Added "user:group" details to function parameter description of sm:chown
Merge branch 'feature/improve-chown' into develop
Renamed 'authority'  to 'owner' on request of Dmitriy
Merge pull request #130 from adamretter/develop

Improved function documentation for sm:chown
Merge branch 'develop' of github.com:eXist-db/exist into develop