Import of the Zope package is now deprecated, but will
be supported until Zope 2.11.

Changed all imports of and references to the Zope to use Zope2 instead. 

        checks in cAccessControl)

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   UnIndex. Exisiting ZCatalog instances must be converted manually
   by calling the "manage_convertIndexes" method through-the-web for 
   every single ZCatalog instance.

- added manage_convertIndexes()

- removed manage_convertIndex() (obsolete)

Added a Zope facade module that redirects to Zope 2.  Tests pass.
Zope starts. :)

      - Collector #1648: Fix bug in Medusa FTP

I'm only doing this for Zope at this time, because it was the
worst abuser wrt checking in zdaemon changes from a wrong place.
Only one wrong-place zdaemon checkin was made from Zope3, and
none from ZODB.  Nevertheless, all trunks and branches other
than Zope trunk are using an out-of-date zdaemon now.

Instead of poke-and-hope guessing at how long to wait
for the child process to start running, use send_action()
in a loop to ask about that more directly -- but don't
wait longer than a minute.

The test should run faster on most boxes now, but
take up to a minute on boxes that are bogged down for
whatever reason.

Note that this checkin is being made from a wrong place!
zdaemon isn't part of the Zope tree, it's stitched in
from the zdaemon repository.  So this checkin has no
effect on zdaemon.  It will need to be sideported later
if it turns out to fix the overnight test failures.

fix for testRunIgnoresParentSignals.

testRunIgnoresParentSignals occasionally fails.