Issue #2332479 by aviindub: removed the total field from commerce_stripe_submit_form because it is causing a notice, and doesnt seem to serve any purpose.
Issue #2335059 by torgospizza: Added a check for errors before saving the card to cardonfile.
Issue #2334037 by jpoesen: Changed ->json_body to ->jsonBody to sync up with current stripe-php.
Issue #2249225 by torgosPizza: Upgraded stripe.js to v2.
added my name as an author.
Issue #2337685 by aviindub: added enforcement of a minimum version for the stripe-php dependency.