added http store for glance ceph backend, added formulas maas and aptcacher

Change-Id: Iadc3f812618c6b9236dc2e4a80690752605aa156
diff --git a/glance/control/storage/ceph.yml b/glance/control/storage/ceph.yml
index ef3c033..d48fb6d 100644
--- a/glance/control/storage/ceph.yml
+++ b/glance/control/storage/ceph.yml
@@ -2,7 +2,7 @@
   glance:
     server:
       storage:
-        engine: rbd
+        engine: rbd,http
         user: ${_param:glance_storage_user}
         pool: ${_param:glance_storage_pool}
         chunk_size: 8
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