issue with error rendering and bootstrap 3

[jaugustin]

Hi,

Error on forms are rendered incorrectly because of that commit
02d8cb0#diff-460e769f42ed6a8f061c31d97916f203R60
which introduce this class form-control-feedback in a wrong way ;)

I think it should be something like this :

    <span class="glyphicon glyphicon-remove form-control-feedback"></span>
    <span class="help-block">
     .....
    </span>

And also add the class has-feedback next to has-error

I can provide a PR if needed

[sescandell]

Hi @jaugustin

I can provide a PR if needed

That would be perfect!
Pull the request to branch 1.1 please

Thanks