Tiddlyweb

* Extensive adjustments to the TiddlyWiki saving plugins
to make saving more workable (FND).
* tiddlyweb now available in PyPI.
* Support for listing all users in the store.
* Instancer now creates a common bag to go along with the system bag.

* correct EncodeUTF8 middleware so it operates better with
upstream middleware
* add a test/test_http_api.py and test/httptest.yaml: YAML
based tests of the HTTP for purpose of testing and
documentation
* clean up and enhance the mod_python.py adaptor
* include recipe if the JSON tiddler dict if set
* extent Query middleware to handle POST parameters when
they are a CGI form
* when getting a list of tiddlers as JSON, if you set fat=1
as query parameter, tiddler.text is included
* on ../tiddlers/{name}/revisions accept a JSON POST of
a revision history of one tiddler, to facilitate rename

* add docs/CREDITS to give props
* tiddler permissions information in wiki and json serializations
* always save the tiddler with modifier set to tiddlyweb.usersign
* more docstrings on methods and functions
* example css in lib/tiddlyweb.css

* text store automatically creates necessary directories
* from_svn twanager command included in core
* instance twanager command created (established basic install)
* updated COOKBOOK to reflect instance command
* beginning of docs/EXTEND

* First public release in beta release candidate series.
* Updated HTML for easier styling.