Updated VAD version
Updated version to 6.1.7 for final release
Fixed initialization of lock struct
Fixed handling of constants in SPART_RVTR_FIXED rdf_value_range-s
Fixed support for SPARQL ASSUME
Fixed support for untyped strings and xsd:string strings
Fixed issue for errors with typed rvrFixedValue-s
Updated documentation
Added missing file to distribution
Fixed missing files in make dist
Updated NEWS
Generated ChangeLog
Updated debian scripts
Merge branch 'release/6.1.7' into develop/6