Adds hack to trace down the PayPal Digital Good object.
Only enqueue scripts on the home page.
Adds ajax handling for the checkout button and digital goods gateway
Disable the button after checkout process has begun.
Adds hidden field to catch javascript submits.
Adds additional checks for submit.
Check for hidden field instead of submit button.
Extend EDD_PPDG_PayPal_Ipn class to override the IPN return to inject into pwyw's checkout form.
Register our IPN override.
Adds call to submit data to our own ajax handler.
Implemented ajax handler for PayPal digital goods.
Merge branch 'master' of github.com:oniiru/filmbundle