Merge branch 'release/6.1.6' into develop/6
Updated version to 6.1.7-dev for next development cycle
Merge branch 'develop/6' of scms:virtuoso-opensource into develop/6
Fixed use user info if authenticated via webid
Fixed show more of the command currently being executed
Added better support for ":" as a QName
Fixed exponential parsing time for ill nesting of entity refs
Added support for N3 HAS keyword
Merged OAT toolkit

* Attempt to force XML+RDF output from PROXY
* Updated version to 2.6.4
Merge branch 'develop/6' of scms:virtuoso-opensource into develop/6
Fixed difference between a failed prev sponge and an in-progress one
Fixed warnings from W3C Validator
Fixed labels
Fixed slow query
Merged Conductor VAD

* Added SPARQL property for ACLs
* Fixed ACL type change and ACL delete error
* Fixed do not edit grants on existing user
Merge branch 'develop/6' of scms:virtuoso-opensource into develop/6
Fixed recovery after errors during load
Fixed parameter name
Removed deprecated code block
Fixed typo in encoding name