Fixed handling of constants in SPART_RVR_FIXED
Added initial support for SPARQL ASSUME
Fixed compilation of queries with deeply nested ?:globals
Fixed SPARQL_DEBUG build handling of BOP_NOT
Added initial support for TTLP_SNIFFER
Fixed support of text/turtle MIME type
Added missing function RDF_QM_DEFINE_LITERAL_CLASS_WITH_FIXED_LANG
Fixed typo in commment
Fixed handling of global variables in rewriting of joins
Fixed assignment order to align with v7 branch
Merged back  from v7 branch
Added new function box_hash_cut
Upgraded DAV API

* Added basic ACL support
* Added support for new WebDAV skin action and templates
* Added scheduled interval for DETs
* Added activity log
* Added support for  multiple threads in DAV queue
* Faster ETAG procedure
* Fixed text/turtle MIME support
* Fixed use of private graphs
Merge branch 'develop/6' into develop/7
Fixed property name for VCard ontology
Fixed exception when parent node does not exist
Upgraded PROPPATH support for DET
Fixed problem with deleting DET folders containing items with ACLs
Upgraded S3 DET support

* Updated sse flag
* Reorganized procedures
* Fixed rename problem
* Fixed problem with retrieve correct MIME type
* Fixed subfolder creation
Upgraded file handing to use filedescriptors