Source NFO downloads (#95)

* Hooked up series directory finding to source metadata runner

* Fixed aired NFO tag for episodes

* Updated MI NFO builder to take in a filepath

* Hooked up NFO generation to the source worker

* Added NFO controls to form

* Improved the way the source metadata worker updates the source

* Consolidated NFO selection options in media profile instead of source

lib/pinchflat/downloading/media_downloader.ex

@@ -56,7 +56,9 @@ defmodule Pinchflat.Downloading.MediaDownloader do
 
   defp determine_nfo_filepath(media_item, parsed_json) do
     if media_item.source.media_profile.download_nfo do
-      NfoBuilder.build_and_store_for_media_item(parsed_json)
+      filepath = Path.rootname(parsed_json["filepath"]) <> ".nfo"
+
+      NfoBuilder.build_and_store_for_media_item(filepath, parsed_json)
     else
       nil
     end