message: frontend: Update button label
  Changed button label to Create Subscription.
  Fixes
diff: @@ -77,7 +77,7 @@ export const SubscriptionsPage: React.SFC<SubscriptionsPageProps> = (props) => <
  showTitle={true}
  canCreate={true}
  createProps={{to: props.namespace ? `/k8s/ns/${props.namespace}/${CatalogSourceModel.plural}` : `/k8s/all-namespaces/${CatalogSourceModel.plural}`}}
  - createButtonText="New Subscription"
  + createButtonText="Create Subscription"
  ListComponent={SubscriptionsList}
  filterLabel="Subscriptions by package" />;
  