adding remain orient db vertices to migration

lib/tasks/orientdb.rake

@@ -5,7 +5,18 @@ namespace :orientdb do
     desc "Migrate orient db schema"
 
     client = OrientDb::Client.instance
+
+    # User vertice
     client.command 'create class User extends V'
+
+    # Highlight vertice
+    client.command 'create class Highlight extends V'
+
+    # Country vertice
+    client.command 'create class Country extends V'
+
+    # University vertice
+    client.command 'create class University extends V'
   end
 
 end