Adds a graph of the price history above the "Add to Cart" button in Amazon.
Clicking the minipic will load a larger chart on the screen.
Clicking the larger chart will take you to camelcamelcamel.com where you can setup email or twitter alerts to monitor when the product reaches trigger prices that you specify.
Update 0.26: Add graph for movie rental/purchases
Update 0.25: If no Amazon price graph available, shows 3rd party graph
Update 0.21: Fix max-width issue on certain product pages.
Update 0.19: Move http access outside of Amazon to keep page secure. This unfortunately requires more permissions as I explicitly request access to camelcamelcamel.com now.
Update 0.16: Enable for https (previously only http, oops)
Update 0.13: Fix for chart locations for Deal of the Day
Update 0.12: Add instructions
Update 0.11: Fixes larger graph when model/color changes
Update 0.10: Updates graph when model/color changes