Disabling unit tests, redux

[Stephan Bergmann]

On 12/18/2013 02:32 AM, Keith Curtis wrote:
> I don't even know the names of the various modules I'm working in and
> prefer to let the smart system figure it out ;-)

The module names match the top-level directory names, in case that 
wasn't obvious.  So if you do a change to e.g. 
desktop/source/app/app.cxx it suffices to "make desktop" to get instdir/ 
updated.

Stephan