Change the type of flannel_network_subnetlen to 'number'

'flannel_network_subnetlen' is the size of subnet assigned to each
nodes. The value of 'flannel_network_subnetlen' will pass to SubnetLen.
So the type of flannel_network_subnetlen should be 'number' or int,
not string.

Change-Id: I49816fcfad7fcce7f77f6c0db20f82b630426512

magnum/drivers/swarm_fedora_atomic_v1/templates/cluster.yaml

@@ -101,7 +101,7 @@ parameters:
     default: 10.100.0.0/16
 
   flannel_network_subnetlen:
-    type: string
+    type: number
     description: size of subnet assigned to each master
     default: 24
 

magnum/drivers/swarm_fedora_atomic_v1/templates/swarmmaster.yaml

@@ -87,7 +87,7 @@ parameters:
     description: network range for flannel overlay network
 
   flannel_network_subnetlen:
-    type: string
+    type: number
     description: size of subnet assigned to each master
 
   flannel_backend:

magnum/templates/kubernetes/kubecluster-coreos.yaml

@@ -68,7 +68,7 @@ parameters:
     default: 10.100.0.0/16
 
   flannel_network_subnetlen:
-    type: string
+    type: number
     description: size of subnet assigned to each minion
     default: 24
 

magnum/templates/kubernetes/kubecluster-fedora-ironic.yaml

@@ -50,7 +50,7 @@ parameters:
     default: 10.100.0.0/16
 
   flannel_network_subnetlen:
-    type: string
+    type: number
     description: size of subnet assigned to each minion
     default: 24
 

magnum/templates/kubernetes/kubecluster.yaml

@@ -67,7 +67,7 @@ parameters:
     default: 10.100.0.0/16
 
   flannel_network_subnetlen:
-    type: string
+    type: number
     description: size of subnet assigned to each minion
     default: 24
 

magnum/templates/kubernetes/kubemaster-coreos.yaml

@@ -45,7 +45,7 @@ parameters:
     description: network range for flannel overlay network
 
   flannel_network_subnetlen:
-    type: string
+    type: number
     description: size of subnet assigned to each master
 
   flannel_backend:

magnum/templates/kubernetes/kubemaster-fedora-ironic.yaml

@@ -37,7 +37,7 @@ parameters:
     description: network range for flannel overlay network
 
   flannel_network_subnetlen:
-    type: string
+    type: number
     description: size of subnet assigned to each minion
 
   flannel_backend:

magnum/templates/kubernetes/kubemaster.yaml

@@ -53,7 +53,7 @@ parameters:
     description: network range for flannel overlay network
 
   flannel_network_subnetlen:
-    type: string
+    type: number
     description: size of subnet assigned to each master
 
   flannel_backend: