Helpers draft
VFS extractor/loader
FilesToVFSLoader draft
Bugfix of remove virtuososequenceaspect
Bugfixing removing of virtuoso
Merge branch 'develop' of https://github.com/UnifiedViews/Core into develop
Merge branch 'develop' into feature/mudule_reorganization
Also merged code updated to new API
Conflicts:
	dataunit-rdf/src/main/java/cz/cuni/mff/xrg/odcs/files/helper/VirtualPathHelpers.java solved