Redesign public profiles (#4608)

* Redesign public profiles

* Responsive design

* Change public profile status filtering defaults and add options

- No longer displays private/direct toots even if you are permitted access
- By default omits replies
- "With replies" option
- "Media only" option

* Redesign account grid cards

* Fix style issues

config/routes.rb

@@ -56,6 +56,8 @@ Rails.application.routes.draw do
   end
 
   get '/@:username', to: 'accounts#show', as: :short_account
+  get '/@:username/with_replies', to: 'accounts#show', as: :short_account_with_replies
+  get '/@:username/media', to: 'accounts#show', as: :short_account_media
   get '/@:account_username/:id', to: 'statuses#show', as: :short_account_status
 
   namespace :settings do