Ext: Modified a bit parseResponseBody method return forman in Paypal Http Client.
Registration: Finished credit card payment form.
Ext: removed useless file library/Ext/Http/Client/Paypal.php~, which was commited by exident
Ext: Added to Paypal Client methods needed for Express Checkout and made some fixes.
Registration: implemented Paypal Express Checkout.
Merge branch 'master' of github.com:pierrealbert/checkit