Fix for episodes and movies subtitles sorting when detected language is None.

views/episodes.tpl

@@ -222,7 +222,7 @@
 										<td>
 										%if episode['subtitles'] is not None:
 										%	actual_languages = ast.literal_eval(episode['subtitles'])
-                                        %   actual_languages.sort()
+										%   actual_languages = sorted(actual_languages, key=lambda x: (x is None, x))
 										%else:
 										%	actual_languages = '[]'
 										%end

views/movie.tpl

@@ -171,7 +171,7 @@
 						<tbody>
 							<%
 							subtitles_files = ast.literal_eval(str(details['subtitles']))
-							subtitles_files.sort()
+							subtitles_files = sorted(subtitles_files, key=lambda x: (x is None, x))
 							if subtitles_files is not None:
 								for subtitles_file in subtitles_files:
 									if subtitles_file[0].endswith(':forced'):