Fix project delete failures

Signed-off-by: Philip Joseph <philip.joseph@riftio.com>
diff --git a/common/python/rift/mano/cloud/config.py b/common/python/rift/mano/cloud/config.py
index f7906fd..a5ed7b5 100644
--- a/common/python/rift/mano/cloud/config.py
+++ b/common/python/rift/mano/cloud/config.py
@@ -128,6 +128,7 @@
             self._reg.deregister()
             self._reg = None
 
+    @asyncio.coroutine
     def register(self):
         @asyncio.coroutine
         def apply_config(dts, acg, xact, action, scratch):