I'm impartial on the tag name, and renaming to "education" fixes the
remaining part in issue #959.

- Revisited tags for news
- applied tags-to-delete.txt for news and events
- applied tags-to-delete-4-events.txt for news and events

svn path=/trunk/; revision=30158

svn path=/trunk/; revision=30100

svn path=/trunk/; revision=25082

svn path=/trunk/; revision=25081

svn path=/trunk/; revision=25079