Created 2.8.x branch
Added option to use a frontend_body.js in modules to include javascript from modules in the body of the frontend (Thanks to Luisehahne)
Fixed some validiation bugs in core and different modules (Thanks to luisehahne)
Copyright notices now includes 2009
Added some basic functions for module developers
removed some obsolete language variables from news and form module (now defined in global WB language files)
Added keyword Id to new files
Moved edit module CSS functions from modules to WB core (avoid code duplication; improve maintenance of code)