Update sample django deps.
Fix the bootstrap script to work on Python3.
Rename utf8 to utf-8.
Merge commit '7714b178815a480f1a23852e5c5f038918e1bad7'

* commit '7714b178815a480f1a23852e5c5f038918e1bad7':
  Rename utf8 to utf-8.
  Fix the bootstrap script to work on Python3.
  Update sample django deps.

Conflicts:
	{{cookiecutter.repo_name}}/bootstrap.py