Updated the default value for ``management_page_charset`` from iso-8859-1 to the nowadays more standard utf-8.

This event is fired just before IPubFailure, but, crucially, while the transaction is still open.

- keeping inofficial support for Python 2.5
- dropping any support for Python 2.4

Avoid possible errors on test tear-down in Products.Five.fiveconfigure's cleanUp() function if Products.meta_types has not been set

LP #411732: Silence security declaration warnings for context and request on views protected by an interface.

http://svn.plone.org/svn/collective/buildout/plone.recipe.zope2instance/trunk/src/plone/recipe/zope2instance/ctl.py

Fix for LP #61446: running zopectl in interactive mode on Windows exited after start/stop/install/remove commands were issued.

update for r104360/104361: event subscribers might still need the zodb, so `clear` must not be called before `notify` as otherwise `self._held=None` might close the connection (refs LP #414757)

Fix HelpSys to work with zope.interface.Interface as it did before the deprecated methods of scarecrow Interface.Interface were removed.

- Cover use on Windows
- Cover buildout-based instances

- correct capitalisation of "command" reg value name, not that it matters ;-)
- add a windebug command to help when debugging windows service behaviour
- refactor do_start: nt_svcutils.service.Service sets ZMANAGED, so its not needed on Windows.

- re-installed some comments that Jeremy obfuscated
- renamed the crazily named "redirectCaptureThread" to a name that matches what it does
- highlight the likely cause of #443005: 

The magic named event is no longer found even though Zope is still running.
I suspect this is because runzope is now a setuptools .exe.

  (this means that buildout instances work on Windows too :-) )
- remove a few stray comments and old unneeded code from nt_svcutils/service.py