Moved netCDF CL <--> OPeNDAP server interface code to nc_util and NCConnect.
Moved netCDF CL <--> OPeNDAP server interface code to nc_util and
NCConnect.


OPENDAP/netcdf_handler,OPENDAP/netcdf_handler,OPENDAP/netcdf_handler,OPENDAP/netcdf_handler,OPENDAP/netcdf_handler