Update form_div_layout.html.twig with form_errors

I found the missing form_errors location. This solves my problem. Form errors are now output.
adding array option ('label'=>false)

added in Symfony 2.0.x
Merge branch 'patch-1' of https://github.com/kirla3092/bootstrap-bundle into develop
Merge branch 'patch-1' of https://github.com/dleute/bootstrap-bundle into develop