Update pytest to 3.6.2

Added Pipfile and updated {{{cookiecutter.app_name}}/README.rst

Update flask-migrate to 2.2.0

Update psycopg2 to 2.7.5

Update flake8-docstrings to 1.3.0

Update sqlalchemy to 1.2.8

Update wtforms to 2.2.1

Update pytest to 3.6.1

Update pytest to 3.6.0

Update pep8-naming to 0.7.0

Update flask to 1.0.2

Update pep8-naming to 0.6.1

Update factory-boy to 2.11.1

Update flake8-quotes to 1.0.0

Update sqlalchemy to 1.2.7

Update pytest to 3.5.1

Update flask to 1.0

Update flake8-isort to 2.5

Update sqlalchemy to 1.2.6