(FR #2293) Force LTR on credit-card fields

Change-Id: I2e397f13e2d8b2d6228dfd61b995e8f71b5dfb20
Localisation updates from https://translatewiki.net.

Change-Id: I8bf9fe05b3da8068749a1590d604185b366cad40
Don't apply new input styles to radio buttons

Applying the new input styles to radio buttons messes them up on iOS
Specify styles should only be for type="text" and type="email"

See https://ux.stackexchange.com/questions/46143/

Change-Id: I4a2b03da28beeefc29403adf1ce76e05e799ece5
Tooltip explanation of CVV field for WorldPay

Image tooltip shows on hover for desktop, on click for mobile.
Also updates Hebrew 'CVV' from the too-long translation of '3 digits
on the back of the card' to the translation of 'Security code'.

Change-Id: Ibc996ecc8d9b253fcf6b4bfc7a743d35f3f4552c
Reset CC radios, disable 'continue' with CC buttons

* Resets CC radio buttons on page reload
* Disable continue button when CC buttons are disabled
* Remove spinner when API call returns an error

Change-Id: I5a36561da144dadd3b7c7e9dff63beddb421858b