Add two reference snippets, sent in by Timothy Bates.
Changed:
A trunk/Bundles/Mediawiki.tmbundle/Snippets/Reference <ref>Author (year)___<:ref>.tmSnippet
A trunk/Bundles/Mediawiki.tmbundle/Snippets/Reference {{Fact|date=month yyyy}}.tmSnippet
U trunk/Bundles/Mediawiki.tmbundle/info.plist