'Fix a clearable file input
TODO: This needs improvement
Currently Django returns
Currently:
<a href="dummy.txt">dummy.txt</a>
<input id="file4-clear_id" name="file4-clear" type="checkbox" />
<label for="file4-clear_id">Clear</label><br />
Change: <input id="id_file4" name="file4" type="file" />
<span class=help-block></span>
</div>'

def fix_clearable_file_input(self, html):

    return u'<div    class="row    bootstrap3-multi-input"><div    class="col-xs-12">{html}</div></div>'.format(html=html)
