Bumped up the library versions
Bumped up the library versions

Each of libdap, libdapclient and libdapsever likely have new interfaces
but the old interfaces are intact, so CURRENT and AGE are increased,
and REVISION is reset to 0.

OPENDAP/libdap4,OPENDAP/libdap4,OPENDAP/libdap4,OPENDAP/libdap4,OPENDAP/libdap4,OPENDAP/libdap4