Update Stripe's jquery.payment, and change KO field binding type

This uses `textInput` for better handling of text field operations like pasting and
autofill. This should allow for card numbers to be pasted in on payment forms.

Author: agjohnson

bower.json

@@ -19,7 +19,7 @@
     "readthedocs-client": "https://github.com/agjohnson/readthedocs-client-js.git",
     "sphinx-rtd-theme": "https://github.com/snide/sphinx-rtd-theme.git#0.1.9",
     "knockout": "~3.3.0",
-    "jquery.payment": "~1.2.3",
+    "jquery.payment": "~1.3.0",
     "jquery-migrate": "~1.2.1",
     "jquery-ui": "1.8.23"
   },