update competition view
removes ajax from competitions
render stream_component in enroll idea modal dialog
removes competitions ajax and fixes some css and js in stream when searching
fixes competitions as a whole
removed ajax from competitions
code cleanup
fixes sidebar browser's incompatibility
tiny fix in competition controller
fixes sidebar for multiple browsers
fixes sidebar
Merge master
create separate js file for navigation bar js js
new file for sign in form alone without facbook and twitter
remove sign up js from users.js
Add dropdown sign in and up
add load_tags method to load tags before filter
new sign up form with tags included
Add nav-login class
fixes sidebar issues for browser's compatibility and adds a new feature for it, as well as some dashboard fixes