Log Message:
Update py-flup to r2311.
- Support gzip compression of XHTML pages using the correct MIME type.
- Deprecate WSGI_SCRIPT_NAME and scriptName in scgi_base.
- Update servers to default to an empty QUERY_STRING if not present in
the environ
- Update gzip.py: compresslevel -> compress_level
- Change intra-package imports into absolute imports.
- Add forceCookieOutput attribute to SessionService to force Set-Cookie
output for the current request.
- Add UNIX domain socket support to scgi, scgi_fork, scgi_app.
- Add flup.client package which contains various WSGI -> connector
client implentations.
- Change mime-type matching algorithm in GzipMiddleware.
- Add cookieAttributes to SessionService to make it easier to customize
the generated cookie's attributes.

Switch to use the common egg framework and mark as DESTDIR safe.