Add {% load url from future %} to templates

Django 1.4 still has the old semantics of the {% url %} tag by default,
so quoted paths make it fail. In order to use new semantics, we have
to put {% load url from future %} in the templates that use it.

Change-Id: I5808b993dadc2f4548e52358e2073f043ea8a133
Closes-Bug: #1223748
Merge "Add {% load url from future %} to templates"