Update README.md
+ NPM Badge
Added CoffeeScript support
Added documentation to README.md
Merge pull request #14 from aexmachina/master

Added CoffeeScript support
correct copyright year
Merge pull request #16 from AlexSantos/correct-copyright-year

correct copyright year
remove duplicate ebay
Merge pull request #17 from AlexSantos/remove-duplicate-ebay

remove duplicate ebay
Reorder after scan to support late registration of middleware.
Merge pull request #18 from paypal/ordering

Reorder after scan to support late registration of middleware.
Update changelog in anticipation of publish.