order compounds list for the sake of pagination consistency

Former-commit-id: 1481b5ad9a84c07c5fa4deaa4882615725d7a26f

ippisite/ippidb/views.py

@@ -189,7 +189,7 @@ def compound_list(request):
     """
     Display the list of compounds
     """
-    compounds = Compound.objects.all()
+    compounds = Compound.objects.all().order_by('id')
     # if filtering on "action on PPI"
     if request.GET.get('ppi'):
         compounds = compounds.filter(compoundaction__ppi__id__in=request.GET.getlist('ppi'))