[CORD-1650]
Update TOSCA/variables to work with bridge/bond refactor

Change-Id: I8574fdef054d36216815ecd9237c23bcd1a56b90
diff --git a/templates/shared-net.yaml.j2 b/templates/shared-net.yaml.j2
index 186e69f..0678e6c 100644
--- a/templates/shared-net.yaml.j2
+++ b/templates/shared-net.yaml.j2
@@ -1,3 +1,4 @@
+---
 tosca_definitions_version: tosca_simple_yaml_1_0
 
 imports:
@@ -6,7 +7,7 @@
   - custom_types/slice.yaml
   - custom_types/site.yaml
 
-description: shared network config, generated by platform-install
+description: shared network config, generated by mcord profile
 
 topology_template:
   node_templates:
@@ -22,33 +23,32 @@
     shared_template:
       type: tosca.nodes.NetworkTemplate
       properties:
-          name: shared_template
-          visibility: private
-          translation: none
-          vtn_kind: PRIVATE
+        name: shared_template
+        visibility: private
+        translation: none
+        vtn_kind: PRIVATE
 
     shared_network:
       type: tosca.nodes.Network
       properties:
-          name: shared_network
-          subnet: 100.0.0.0/24
+        name: shared_network
+        subnet: 100.0.0.0/24
       requirements:
-          - template:
-              node: shared_template
-              relationship: tosca.relationships.BelongsToOne
-          - owner:
-              node: {{ site_name }}_shared
-              relationship: tosca.relationships.BelongsToOne
+        - template:
+            node: shared_template
+            relationship: tosca.relationships.BelongsToOne
+        - owner:
+            node: {{ site_name }}_shared
+            relationship: tosca.relationships.BelongsToOne
 
     {{ site_name }}_shared:
       description: This slice exists solely to own the private network
       type: tosca.nodes.Slice
       properties:
-          name: {{ site_name }}_shared
-          network: noauto
+        name: {{ site_name }}_shared
+        network: noauto
       requirements:
-          - site:
-              node: {{ site_name }}
-              relationship: tosca.relationships.BelongsToOne
-
+        - site:
+            node: {{ site_name }}
+            relationship: tosca.relationships.BelongsToOne