Refactor media upload

Use Upload Media logic from Pleroma

Backend changes for picture upload

Move AS <-> Model conversion to separate module

Front changes

Downgrade apollo-client: https://github.com/Akryum/vue-apollo/issues/577

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

lib/mobilizon_web/controllers/page_controller.ex

@@ -4,9 +4,7 @@ defmodule MobilizonWeb.PageController do
   """
   use MobilizonWeb, :controller
   alias Mobilizon.Actors
-  alias Mobilizon.Actors.Actor
   alias Mobilizon.Events
-  alias Mobilizon.Events.{Event, Comment}
 
   action_fallback(MobilizonWeb.FallbackController)