Django 2.0 support

[mpasternak]

No description provided.

[tony]

Wow. I just merged my part of the branch in, and didn't see yours.

[codecov]

Codecov Report

Merging #85 into master will decrease coverage by 1.72%.
The diff coverage is 50%.

@@            Coverage Diff             @@
##           master      #85      +/-   ##
==========================================
- Coverage   65.69%   63.97%   -1.73%     
==========================================
  Files           7        5       -2     
  Lines         137      136       -1     
  Branches       15       15              
==========================================
- Hits           90       87       -3     
- Misses         41       43       +2     
  Partials        6        6

Impacted Files	Coverage Δ
robots/views.py	72.05% <50%> (-1.79%)	⬇️
robots/south_migrations/__init__.py

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[tony]

As in, I see this now, but didn't check before for a duplicate before I merged. Then I saw you posted in my issue when the tab was open. It was that close.

[mpasternak]

@tony whatever. Good job everyone involved, let's merge, release, upload!