ANN: gitit 0.8

[John MacFarlane]

I've just released gitit 0.8 on HackageDB. A summary of the
main changes follows. Thanks to everyone who submitted patches
and bug reports!

* Updated to use happstack 6

* Added textile and org export formats, textile page format.

* Added support for RPXNow authentication, based on a patch from
Pasqualino Titto Assini.

* Added `authentication-required` field in config.

* If set to 'modify', authentication is required to modify the wiki.
* If set to 'read', atuhentication is required to view the wiki.
* If set to 'none', authentication is never required, and pages can
be edited anonymously.

API changes:

* currentUser moved to Authentication module
* requireAuthentication added to Config
* Added AuthenticationLevel type
* requireUser renamed authenticate, parameter for
AuthenticationLevel
added; requireUserThat renamed authenticateUserThat

* MathML and jsMath now work in the preview pane (Sean Seefried).

* Use footnotes.js for fancy footnote styling (gwern).

* Added a `--listen` parameter to specify the listen device
(Timo B. Hübel).

* Removed withInput.

* Replaced fileContents with filePath in Params.

[Oliver Braun]

Great! Thanks for gitit!

Regards
Oliver