Rob Cresswell e0af3fd7e6 Drop Django 1.7 support
Django 1.7 support ends in December 2015
(https://www.djangoproject.com/download/#supported-versions), so it
will not be supported by Mitaka release.

This patch removes many of the deprecation warnings:-

`RedirectView.permanent` change:
https://docs.djangoproject.com/en/1.8/ref/class-based-views/base/

`url` change:
https://docs.djangoproject.com/en/1.8/internals/deprecation/
See version 1.5 notes for the url and ssi template tag change

`django.forms.utils` change:
https://docs.djangoproject.com/en/1.8/internals/deprecation/
See version 1.9 notes

`firstof` change:
https://docs.djangoproject.com/en/1.8/internals/deprecation/
See version 1.8 notes for cycle and firstof template tags

Change-Id: If546c087e73d189daa92e5bd63f0533fcf19089f
Partially-Implements: blueprint drop-dj17
2015-11-16 11:55:38 +00:00
Description
Trove Horizon plugin.
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