Metacat

Modified metacat to now provide the session identifier in the response
xml message when a login is called. This has not been fully tested.
I removed the HttpMessage class from metacat in favor of using the version
of that class that is found in the utilities module. This may cause some...

Change assert to assertTrue.

Change the test case order.

Change some debug message.

Change package name. Factor of docid change from 10000 to 100000.

Add metacat test to cvs.