Remove webob compatability

Remove the aliases we provided for webob compatability as webob is
now gone. Grepped the code base to check for occurences of the old
parameters to be safe. Keep request.GET attribute as alias for
request.args as it is often used and django is also using that
attribute.

Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>

mediagoblin/app.py

@@ -135,9 +135,8 @@ class MediaGoblinApp(object):
     def call_backend(self, environ, start_response):
         request = Request(environ)
 
-        ## Compatibility webob -> werkzeug
+        # Compatibility with django, use request.args preferrably
         request.GET = request.args
-        request.accept = request.accept_mimetypes
 
         ## Routing / controller loading stuff
         map_adapter = self.url_map.bind_to_environ(request.environ)