Add sudo functionality to the sysadmin CLI documentation
Expose -h option as the entry point for sysadmins/developers
Add minimal information about -f/--depth argument of bin/omero import
Add documentation for the CLI obj command
Implemented fixes suggested by Colin
Fix typo
Assortment of fixes suggested by Mark
Final typos hopefully
Merge pull request #887 from sbesson/rebased/develop/5.0.3_cli

5.0.3: CLI documentation (rebased onto develop)