Add Django 1.7b1 to tested versions.
Bump version numbers for 1.1.
New version of flake8 adds new checks.
Add missing if
Merge pull request #576 from vishalsodani/master

Add missing if
Updated Spanish translation.
Don't run context processors for redirect template.
Added unit test for broken context processors due to use of `render`

This adds the regression test for the case when a custom context processor
breaks cause of the use of `render` in the redirects panel.
Merge pull request #578 from catalanojuan/fix-dont-run-context-processor-for-redirects

Fix dont run context processor for redirects