Try to fix long wait on boot when cloud-init can't find datasource
diff --git a/ubuntu-14.04/configs/cloud/cloud.cfg b/ubuntu-14.04/configs/cloud/cloud.cfg
index 93f6357..c3cbb03 100644
--- a/ubuntu-14.04/configs/cloud/cloud.cfg
+++ b/ubuntu-14.04/configs/cloud/cloud.cfg
@@ -62,6 +62,7 @@
  - final-message
  - power-state-change
 
+datasource_list: [ NoCloud, ConfigDrive, Ec2, OpenStack, OVF, MAAS, None ]
 datasource:
     Ec2:
       timeout: 5 # (defaults to 50 seconds)
@@ -69,4 +70,6 @@
     OpenStack:
       timeout: 5 # (defaults to 50 seconds)
       max_wait: 10 # (defaults to 120 seconds)
-
+    MAAS:
+      timeout: 5 # (defaults to 50 seconds)
+      max_wait: 10 # (defaults to 120 seconds)