Merge branch 'release/6.1.7' into develop/6
Merge branch 'hotfix/6.1.7.1' into develop/6
Updated version to 6.1.8-dev to signal new development cycle
Merge branch 'hotfix/6.1.7.2' into develop/6
Fixed bug accessing dir for which user has no access permissions
Updated version to 2.9.6
Fixed problem with owner and group for created items in WebDAV skin
New functions for item classes and for subitems
Use OAT functions to optimize JS
Fixed problems with editing resources using WebDAV skin
Added new logout icon designed by Matt
Updated Conductor vad to 1.00.8699
Fixes for Versioning

* Fixed 'Enable VC' for resource when collection is under versioning
* Fixed issue with setting property
Fixed get uid from name when executing sponge using string
Fixed WebDAV template

* Fixed bugs related to updating disabled fields from some DETs
* Disable actions not allowed for some DETS
* Fixed resource/collection state
Fixed indentation
Updated Conductor VAD to version 1.00.8702
Refactored SPARQL compiler: no need to clone sparp_t for subqueries
Fixed issue with OR and CONTAINS in same filter clause
Fixed issue with using tabid outside its scope