Social Engine

Need to develop Social Engine plugin, details are mentioned below:- We have a Social Engine 4 Purchased already. Give me exact details of what you have worked with example without example in your bid and explanation of work dont bid as it wont be considered and reference is also required. [login to view URL] [login to view URL] [login to view URL] The above three plugin are the required one, only one needs to be modified and converted as per requirement that is we need to allow users and to, Create courses * Create lectures * Add to lecture video * Add to lecture any documents (pdf, word, excel and etc) * Add test questions * Courses Category * Courses Rating * Subscribe Feature * Course Estimate System * Featured Courses * Like, comment feature * Google technology for reading documents. * Facebook, Twitter share buttons. * Popular Courses Widget * Recent Courses Widget * Featured Courses Widget * Profile Courses Widget * Members level settings once this are created by users or admin then they can sell it to other users, once they keep it for selling it for example 100$. Users come in for buying they buy it and a fees of 30$ is deducted and remaining is transferred to sellers account. Then the buyers get a option to download the created and uploaded file by the seller. Need it done in quick time before 21st feb. Thank You Ankit Shukla Happy Bidding