Feedback on ku-polls

[ttxking]

Iteration 2

The wiki page and project board are complete
Already included branch iteration 2
All methods in models.py are complete
Externalize the environment variables is complete
Navigation in detail page is complete

CI

Both Travis-CI badge and codecov badge are complete.

Iteration 3

The wiki page and project board are complete
Can load both user and poll data
Demo user is work!
Users can login and logout.
Each user gets 1 vote per poll. If you change your vote, the vote totals for the poll are updated correctly.
The login required feature is complete.

I'm very impressed with your pie-chart implementation & very well-formatted document
Very well done to you :-)