added-yang-linter-and-resolved-all-error-produced-by it

Change-Id: Iba95a07bb1ed6230b9a900448bf294355a58285c
diff --git a/config-models/aether-3.x/files/yang/template.yang b/config-models/aether-3.x/files/yang/template.yang
index ea040e7..95bda57 100755
--- a/config-models/aether-3.x/files/yang/template.yang
+++ b/config-models/aether-3.x/files/yang/template.yang
@@ -12,7 +12,7 @@
 
   organization "Open Networking Foundation.";
   contact "Scott Baker";
-  description 
+  description
     "The aether vcs-template holds common parameters used
      by a virtual connectivity service. Templates are used to
      populate a VCS.";
@@ -26,6 +26,7 @@
         type yg:yang-identifier {
             length 1..32;
         }
+    description "The typedef for template-id";
   }
 
   container template {
@@ -71,15 +72,15 @@
       leaf traffic-class {
         type leafref {
           path "/tc:traffic-class/tc:traffic-class/tc:id";
-        }          
+        }
         description
           "Link to traffic class";
-      } 
+      }
 
       leaf description {
         type at:description;
         description "description of this vcs template";
       }
     }
-  } 
+  }
 }