Bitcoin exchange

I require a bitcoin exchange to be developed from the following source code : [login to view URL] The exchange will allow registered users to Bitcoin to the site and exchange them for £-sterling and a price that the users determine, also users will be able to upload their bitcoin too and determine their own selling price. the website will also trading of other crypto's too, such as litecoin, infinitecoin, dogecoin, quark, etc etc , upto 25 coins, but only against £-sterling withdrawls and deposts will be manually processed ,so will need integration for that too also need links for forum, and other social media and a contact us page too, look at [login to view URL] and [login to view URL] and [login to view URL] and [login to view URL] [login to view URL], [login to view URL] for inspiration thanks