Migrate to newer settings for templates in Dj1.8
Migrate to newer settings for templates in Dj1.8

Django 1.8 introduces new setting: `TEMPLATES` that groups bunch of
other settings.

vahtras/amy,vahtras/amy,wking/swc-amy,vahtras/amy,pbanaszkiewicz/amy,wking/swc-amy,shapiromatron/amy,pbanaszkiewicz/amy,shapiromatron/amy,swcarpentry/amy,swcarpentry/amy,wking/swc-amy,shapiromatron/amy,pbanaszkiewicz/amy,swcarpentry/amy,wking/swc-amy