removed intertrading; adapted to next version of community accounting;...

removed intertrading; adapted to next version of community accounting; improved date formats; ensure page bundle has upload field; still struggling with l10n_update; removed advanced help and added readme feature on modules page; reward referrer feature added; new feature 'Cforge account manager' who is notified when accounts are created. Fixed Reply to in broadcast mails; adapted to new offers_wants module with shs widget; stripped tags from node teasers