Merge branch 'feature/mastodon_api_2.4.x' into 'develop'

Add/Fix Mastodon endpoints for 2.4.3 compatibility

See merge request pleroma/pleroma!266

priv/repo/migrations/20180813003722_create_filters.exs

@@ -0,0 +1,20 @@
+defmodule Pleroma.Repo.Migrations.CreateFilters do
+  use Ecto.Migration
+
+  def change do
+    create table(:filters) do
+      add :user_id, references(:users, on_delete: :delete_all)
+      add :filter_id, :integer
+      add :hide, :boolean
+      add :phrase, :string
+      add :context, {:array, :string}
+      add :expires_at, :datetime
+      add :whole_word, :boolean
+
+      timestamps()
+    end
+
+    create index(:filters, [:user_id])
+    create index(:filters, [:phrase], where: "hide = true", name: :hided_phrases_index)
+  end
+end