Cogzidel RBS freelance site customization

I want to use a Cogzidel RBS script for my freelance [login to view URL] software is licensed under the CC-GNU GPL. Kindly take a look at the adjustments that must be made: 1) complete new fresh template - web 2.0 look and feel (like odesk or elance wtih) 2) add new search function - refine and categorize buyer and provider by "country", "skills", "budget", "agency or freelance", "review" etc 3) site must be seo friendly - posted projects must be crawled by search engines 4) Joomla CMS integration if possible - ability to add or adjust pages/images/content/text in adminpanel 5) buyer/provider must be able to login at both account with 1 emailadress/username 6) provider must be able to select a co worker/ partner/provider (like odesk and elance) or repost a part of the project as buyer 7) install RBS Payment Module add on (google check out, moneybookers). 8) content adjustment: text buyer and provider must be replaced, the footer must be clean (no powered or designed by etc) - I wil PM you the content adjustment 9) 100 % bug free! 10) installation mysql and site at my godaddy domainname I am looking for an experienced longterm partner who can take care of the monthly update and upgrade of the site.