Add user_avatar_tag helper
Introduce avatar size 25
Change padding of navbar dropdown toggle item containing user avatar
Clean up application.css.scss
Install lodash
Add page meta (current page number and total pages) to api
Add notifications API
Add notification seeder
Include notification victim url
Include mark read action in API
Improved notifications component
Add total_count to json
Add notification counter
Merge branch 'feature-better-navbar'