OOP test patch

[John W. Eaton]

On 21-Jun-2009, Robert T. Short wrote:

| Attached is a patch that includes a set of OOP tests in the test framework.
| 
| - Changed run-octave to exclude @-files
| - Added a bunch of classes to the test directory
| - Put the tests into ov-class.cc
| 
| Note that in run-octave.in, there were CVS path exclusions.  I took 
| these out since there are no such files any more.  If anybody objects, I 
| will put them back.

I applied this changeset, but given that the tests depend on external
files, I moved them to a separate file in the tests subdirectory.

Thanks,

jwe