Tim G L Lyons 4169661302 Update uses of get_source_referents to handle citations:
* 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
2011-11-01 11:10:18 +00:00
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2011-08-23 16:54:03 +00:00
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