Initial scraper code

Added alembic.ini and db-migrate/ settings
- This is a SQLAlchemy extension that reads our Base.metadata (from models.py) and can autogenerate appropriate ALTER
- SQL to automatically upgrade/migrate our database schema instead of having to manually do so.
-
- alembic revision --autogenerate
- alembic upgrade HEAD
- Easy :)

static/
- Added jquery-ui css and js that I used for regex_add_confirm.html
- changed templates/layout to include a block for scripts so that we can extend them and add more scripts on other pages if we need to

models.py:
- Added a "ScrapeHistory" table
- Added regex_id to Product
Currently the scraper relies on product.id existing

views.py:
- Just added from scraper import * at the bottom to pull in the @app views

runserver.py:
- Just added host=0.0.0.0 and port=8080 so it would bind to *:8080 for those of us who cannot play with localhost:80