Django: update requirements

frameworks/Python/django/requirements.txt

@@ -1,10 +1,10 @@
-Django==1.6.5
+Django==1.8.2
 
-mysqlclient==1.3.1
-psycopg2==2.5.3
+mysqlclient==1.3.6
+psycopg2==2.6
 ujson==1.33
 
-gunicorn==19.1
+gunicorn==19.3.0
 meinheld==0.5.7
 
-greenlet==0.4.5
+greenlet==0.4.7