Update the example program so it handles meshes as well.  Fix the request feed logic to use high/low-water level logic as is done in viewer code.
Update the example program so it handles meshes as well.  Fix the
request feed logic to use high/low-water level logic as is done
in viewer code.

gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm,gabeharms/firestorm