PCGI information removed, nearly everything else modified, upgrade
information and some common version issues added.

install products that were installed by Zope during startup.

Interestingly, I never saw a checkin message for the merge of
Lennart's branch...

Mark Hammond's checkin comment for Zope 2.7's WinSignalHandler.py,
rev 1.1.2.2:

"""
As at pywin32-204, we must ensure pywintypes is the first win32 module
imported in our process, otherwise we can end up with 2 pywintypesxx.dll
instances in our process resulting in:
TypeError: The object is not a PySECURITY_ATTRIBUTES object
"""

Mysterious error popup boxes have also been seen, on boxes with a
pre-pywin32-204 installation leaving pywin32 DLLs in the system32
directory.

Mark Hammond's original checkin comment:

As at pywin32-204, we must ensure pywintypes is the first win32 module
imported in our process, otherwise we can end up with 2 pywintypesxx.dll
instances in our process resulting in:
TypeError: The object is not a PySECURITY_ATTRIBUTES object

than GET or HEAD while omitting the stdin argument.

Collector http://www.zope.org/Collectors/Zope/1797 : 304 responses require collaboration from http accelerated cache manager.  (see also http://www.zope.org/Collectors/Zope/683).

Merge from product_installation_tracking branch. The product install now keeps a dict of installed products, and ZopeTestCase checks it, so not to install products twice.

  Update Five to release 1.0.1.

Added test for strftime with unicode pattern.

      - Collector #1323: applied patch to fix umask problem in zdctl

      - Collector #1323: applied patch to fix umask problem in zdctl

Use ZODB 3.4b3.

Stop using deprecated txn_mgr= argument; use
transaction_manager= instead.  Stop "illegal" use of
Connection's private ._txn_mgr attribute; use the new
public .transaction_manager attribute instead.

Stop using deprecated txn_mgr= argument; use
transaction_manager= instead.  Stop "illegal" use of
Connection's private ._txn_mgr attribute; use the new
public .transaction_manager attribute instead.

Collector #889 -- thanks to 'aroda' for the patch!