olfs: Made the  DAP2 ASCII response media type be text/plain because OMG browsers suck.
olfs: Made the  DAP2 ASCII response media type be text/plain because OMG browsers suck.

OPENDAP/olfs,OPENDAP/olfs,OPENDAP/olfs,OPENDAP/olfs,OPENDAP/olfs,OPENDAP/olfs