Remove floater.js

- This seemed to be a hack for iOS versions < 5. Currently,
  only 2% of users are below version 6.  I doubt there's any
  version 4 or below users at this point.
Add symlink directory that references the newer /img folder

- Files on the server (which cannot be changed without breaking
  the live Android app) reference the /design directory. This
  directory name is non-conventional, and has been replaced
  with the /img folder. Adding a symlink allows us to keep the
  legacy directory name.  In future versions, when Android app
  is updated, the /design directory references should be replaced
  with /img, and the symlink can be removed.

- The symlink works in the iOS phonegap build testing locally
  with the simulator.
Assorted fixes for proper debugging

- The fakeGPS was causing some race condition issues in
  the iOS simulator. Set it to false.

- Properly console logged 'inTargetLocation finished: false'
Comment out console.logs; too much noise
Add vibration and dialogs plugins

- The call to navigator.notification.vibrate in main.js:671 was
  failing silently.  Subsequent calls to playVoiceover() and
  displayVidElement() were not being executed.