Update .gitignore
Merge.
add featured image for category
Update url templatetags for Django 1.5.

See https://docs.djangoproject.com/en/1.4/releases/1.3/#changes-to-url-and-ssi

"{% load url from future %}" is omitted in favour of a global import in
mezzanine's boot/__init__.py.
Load future tag lib explicitly in templates.
get child_categories via page_processor
fix child categories css
Merge
Initialize credit card expiry month to the current month.

--HG--
extra : transplant_source : %C1n%9Cw%90%C5%5B%EAt%8B%C0%ED8%BF%9DV%7CQ%C1%CA
Added Stripe Integration
Merge
Rename stripe package and clean up some of the exception handling.
Fix imports
Add a link to the travis site from the status image in README.
Added new sites to the list in README.
README tweak
Order.setup stores discount_code from session
Order.setup stores discount_code from session
Add Mezzanine's new 404 handler to project template's urls.py.
Merge