[buildout] Revert requirement for Django 1.9 (all working OK)

buildout.cfg

@@ -14,11 +14,11 @@ develop = .
 versions = versions
 
 [versions]
-django = >=1.9
+django = >=1.8
 django-rest-swagger = >=0.3.2
-django-guardian = >=1.4
-djangorestframework = >=3.3
-django-activity-stream = >= 0.6.1
+django-guardian = >=1.3
+djangorestframework = >=3.2
+django-activity-stream = >= 0.6.0
 
 [sysegg]
 recipe = syseggrecipe