- add new USES target: zope, and convert the tree to it
- old USE_ZOPE knob support was removed from bsd.python.mk
- update CHANGES and bsd.sanity.mk accordingly
- add ZOPE options knob and use it in lang/py-mx-base
The work is done by Marcus von Appen, but any problems are mine.
Submitted by: mva (python ML)