Add a contact page
Add validation to the contact form
Implement email support to the contact page
Add a link to the contact page in layout.html
Include .pyc files in gitignore
Move static, templates, forms.py and routes.py

- New location: app/intro_to_flask
Move imports and configurations to __init__.py
Create app/runserver.py

- The application is started in from this file.
Fix a bug in __init__.py
Remove application's start code from routes.py