* spelling fixes and new content for german, italian, english,
chinese and french
* XML validation fixes
* CSS cleanups
* lower depth for PNGs for the online version of the manual
* small changes to the build system
* spelling fixes for almost every translation
* Beginning of Italian and Dutch translation
* stylesheet fixes: CSS, HTML and DB2LaTeX driver files
* XML validity fixes for french and swedish
* Makefile overhaul
* new Hacking styleguide
* A few error-corrections.
* Import of Dave Neary's "What's New in GIMP 2.2".
* New Chinese screenshots and content.
* Beginning of a Czech translation.
* Many XML validity fixes.
