Move show_certificate's facebook script to its own file.
Moved show_course_students' js to its own file.
Removed duplicate facebook script
Moved twitter.js to its own file
Moved show_topic's js to its own file
Moved dashboard's JS to its own file
Moved solutions' JS to its own file
Created partners.js
Merge pull request #48 from HackBulgaria/js_cleanup

Js cleanup