added a few methods and changed method visiblity so the OTVIewer could be constructed and managed by an external object.
added a few methods and changed method visiblity so the OTVIewer could be constructed and managed by an external object.


git-svn-id: 8ebed0c25533aaea68ca43268d4d516467f97e6a@6780 6e01202a-0783-4428-890a-84243c50cc2b

concord-consortium/otrunk,concord-consortium/otrunk