Added search

   client/stylesheets/style.css
        - Added some new styles for search results

   client/templates/header.html
        - Enabled search form

   client/templates/header.js
        - event handler for search

   client/templates/search.html
        - New template for search results

   lib/router.js
        - New search route

   server/publications.js
        - removed commented out code
Implemented routing for the search

   client/templates/header.js
        - Added logic to route for a search action