Update show template

Now render using fieldsets with more than one field per line and fileldsets titles like for edit
Allow multiple fieldset with 'NONE' label
Merge pull request #513 from cedriclombardot/show-template

Update show template
Enable complex bundle namespace to load routes

When we have a prefix before the shortnamespace eg MyCompagny\Backend\UserBundle we can't load the routes
Parsing the *Bundle.php file we find now the good namespace to load
Enable to load namespace_prefix with \
Fix route for scopes
Remove var_dump