Merge branch 'master' into glitch-soc/merge-upstream

Conflicts:
- app/models/media_attachment.rb
  Upstream raised max image size from 8MB to 10MB while our limit is
  configurable. Raised the default to 10MB.

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2019_09_27_232842) do
+ActiveRecord::Schema.define(version: 2019_10_01_213028) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -97,6 +97,7 @@ ActiveRecord::Schema.define(version: 2019_09_27_232842) do
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
     t.datetime "last_status_at"
+    t.integer "lock_version", default: 0, null: false
     t.index ["account_id"], name: "index_account_stats_on_account_id", unique: true
   end