ToDo
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4. Add exception handling on startup (no admin) and shutdown
5. Add remote up event handling
6. Add double click remote file processing to display remote file
7. Add file transfer processing
8. cleanup comments
9. Add connection tab allowing selection of default or custom endpoints
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 Done
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1. Add MessagePassingComm prototype - Project3HelpF2017
2. Modifiy message class to suit this application - almost no change
3. Build RemoteFileMgr that uses messaging to get filenames and directories
   - Note that this should not break anything in the Navigator since it
     uses the IFileMgr interface