tigefa4u projects Trac

Added the possibility to download text files as plain text (''text/plain'' mime-type) in addition to their ''original'' format. Thanks to xris for the idea (#1637).

Fix wrong URL to custom query from report module.

First iteration of TracDiff. Corresponds to [http://projects.edgewall.com/trac/attachment/ticket/199/diff_module_beta1.diff diff_module_beta1.diff]

TracDiff: created a branch to work on #199

Don't show extensions on the ''about plugins'' page if they have been disabled.

If the report module is disabled, make custom query the default view for the "View Tickets" link.

Improve handling of inline wiki formatting so that the generated HTML tags are properly nested and can span multiple lines. Closes #1616 and #245. Thanks to Jani Tiainen for the patch.

* Some style sheet fixes to make customization easier.
* Fix JavaScript error when editing or viewing the history/diffs of wiki pages.

Fix logic in deletion of a version of a wiki page. Thanks to Keir Mierle for spotting this one.

Open the environment before initializing the CGI or FastCGI request objects, so that binary I/O is used on windows when constructing the !FieldStorage object. Closes #1609.