Further performance and UI improvements

database/backends/PostgresSmartBackend.php

res/css/_content.sass

res/css/search.css

res/css/search.css.map

res/js/app.js

res/js/component/context.js

res/js/component/context.jsx

res/js/component/history.js

res/js/component/message.js

res/js/component/message.jsx

res/js/component/messagePreview.js

res/js/component/messagePreview.jsx

res/js/util/mirccolorhandler.js

res/js/util/statehandler.js

templates/search.phtml