4169661302
* implement new Utils get_source_and_citation_referents * Update sourceview.py and citationtreeview.py to use it * Fix editsource.py, where deletion of a source object was not properly dealing with all possible citations * Update mediaobj.py which still had a remnant of a source_list * fix _HasTextMatchingSubstringOf filter to deal with text in both sources and citations svn: r18394