Add *.pyc to .gitignore

	new file:   .gitignore
Add venv to .gitignore
CHECKPOINT Add "hello world" Flask app

	new file:   weather_app.py
CHECKPOINT Reorganize app and add a template with (broken) location form

	deleted:    weather_app.py
	new file:   weather_app/templates/index.html
	new file:   weather_app/weather_app.py
CHECKPOINT Modify form to print entered location below entry field

	modified:   weather_app/templates/index.html
	modified:   weather_app/weather_app.py
CHECKPOINT Add new page for location weather

- Show how to redirect to a new page
- Clutter up weather_app.py

	modified:   weather_app/templates/index.html
	new file:   weather_app/templates/location_weather.html
	new file:   weather_app/templates/show_location.html
	modified:   weather_app/weather_app.py
CHECKPOINT Move routes out of weather_app.py into www/routes.py using Blueprint object

- Cleaner organization for application
- Show usage of Blueprints
- Same functionality as before

	modified:   weather_app/weather_app.py
	new file:   weather_app/www/__init__.py
	renamed:    weather_app/weather_app.py -> weather_app/www/routes.py
	renamed:    weather_app/templates/index.html -> weather_app/www/templates/index.html
	renamed:    weather_app/templates/location_weather.html -> weather_app/www/templates/location_weather.html
Modify form to use WTForms, with regex validation

- Doesn't do anything with nonvalid inputs yet

	modified:   weather_app/forms.py
	modified:   weather_app/www/routes.py
	modified:   weather_app/www/templates/index.html

Conflicts:
	weather_app/forms.py
	weather_app/www/routes.py
CHECKPOINT Add error messages to input form

	modified:   weather_app/forms.py
	modified:   weather_app/www/templates/index.html
Clean up whitespace

	modified:   weather_app/www/templates/index.html
CHECKPOINT/EXERCISE Add API call and error page for failed API call

- Use python requests package (pip install requests) to handle the
	API call nicely
- Minimal information pulled from the API response and displayed
- As an exercise, fellows can use what they've learned so far
	to make a prettier weather display with more useful
	information in it

	new file:   weather_app/get_weather.py
	modified:   weather_app/www/routes.py
	new file:   weather_app/www/templates/error.html
	modified:   weather_app/www/templates/location_weather.html