[Resources] fixed show.html.twig skeleton template that rendered an ugly html code.
[Resources] fixed show.html.twig skeleton template that rendered an ugly html code.

zikula/GeneratorBundle,sensiolabs/SensioGeneratorBundle,webmozart/SensioGeneratorBundle,mbontemps/SensioGeneratorBundle,peterkokot/SensioGeneratorBundle,zikula/GeneratorBundle,sensiolabs/SensioGeneratorBundle