Merge branch 'develop' into feature/compat/push-subscriptions

# Conflicts:
#	lib/mix/tasks/sample_config.eex
#	lib/pleroma/web/twitter_api/controllers/util_controller.ex
#	mix.exs
#	mix.lock

lib/mix/tasks/generate_config.ex

@@ -1,7 +1,15 @@
 defmodule Mix.Tasks.GenerateConfig do
   use Mix.Task
 
-  @shortdoc "Generates a new config"
+  @moduledoc """
+  Generate a new config
+
+  ## Usage
+  ``mix generate_config``
+
+  This mix task is interactive, and will overwrite the config present at ``config/generated_config.exs``.
+  """
+
   def run(_) do
     IO.puts("Answer a few questions to generate a new config\n")
     IO.puts("--- THIS WILL OVERWRITE YOUR config/generated_config.exs! ---\n")