Diverse Code Cleanups

*Code wurde PEP-8 gerecht formatiert
* Kleine Fehler die der PyCharm Inspector beanstandet wurden korrigiert

utils/middleware.py

@@ -1,17 +1,17 @@
 # -*- coding: utf-8 -*-
-'''
+"""
 Created on 23.05.2011
 
 @author: christian
-'''
+"""
 from django.utils.html import strip_spaces_between_tags
 
 
 class CompressHtmlMiddleware(object):
-    '''
+    """
     This Middleware compresses the HTML Output at the End. It strips the Spaces
     between Tags, an at the beginning and the end of the content.
-    '''
+    """
 
     def process_response(self, request, response):
         if 'text/html' in response['Content-Type']: