- LP #418454: FTP server did not work with Python 2.6.X

the tests pass fine without this and it is causing test interdependency issues when run along with the Plone products and ExtendedPathIndex tests

Made the version information show up again, based on pkg_resources distribution information instead of the no longer existing version.txt.

verting to 3.5.1

issues)

- fixed the issue shown by test_filepath (changed the initial function __name__ to 'script')
- adjusted test__name__

- made instance scripts more suitable for egg based installs

Use Tres' handy upgradeException function, to make the ExceptionHookTest work across Python versions

Updated all packages to latest maintenance releases. Also updated ZConfig and pytz to latest features release.