added the search functionality
Changes for Signup page
Merge branch 'search_feature' of https://github.com/anantkolvankar/shareknowledge into adnan
User profile changes
Added case sensitive query for search controller
CSS changes for dropdown across the app
Changes for signup page for btn class
Changes for user edit profile,sign-in,sign-up,navbar
Added apple_pagination css for pagination
Added modal popup for project and notes.
Added more smilies images.