When a .dodsrc file is present, and
specifies user name and password,
it is being ignored after the first time.
Fix required a major rewrite of ocrc.c because
it was mishandling a number of .dodsrc entries.
Fix Http Basic Authorization.
The problem is really in oc2.0.
In order for it to work,
the CURLOPT_COOKIEJAR must have
a non-null value. The code
was already there, but not being
used for some reason.
1. fixed cookiejar code in oc2.0
2. synched oc2.0 with netcdf-c/oc2
3. added a test case