* Add feeds=no option to inline preprocessor directive to turn off all types
of feeds. feeds=rss will still work, and feeds=atom was also added, for
fine control.
* $IkiWiki::version now holds the program version, and is accessible to
plugins.
text blocks, for easy nesting of quotes inside.
* Add a template plugin.
* Use the template plugin to add infoboxes to each plugin page listing basic
info about the plugin.
* Added a pagecount plugin, enabled by default.
* Support PreProcessorDirectives with no parameters, ie "[[pagecount ]]".
* Fixed/optimised backlinks code, to avoid rebuilding pages to update
backlinks when the backlinks hadn't really changed.
* Moved inline page support, rss generation etc into the inline plugin,
enabled by default.
* Added brokenlinks plugin, not enabled by default, but rather handy.
* Fix several broken links in the doc wiki.