Send tax inclusive, rounded item price to google. Fixes #3718

@coenjacobs .14?
Add a script to add support for RTL when enabled to fix chosen. Fixes #3604

@coenjacobs maybe for .14?

Conflicts:
	assets/css/admin.css
	assets/css/admin.less
	includes/admin/class-wc-admin-assets.php
Check for undefined attributes. Closes #3487.

Conflicts:
	assets/js/frontend/add-to-cart-variation.min.js
Improve cart update performance. Closes #3495.

Conflicts:
	includes/class-wc-form-handler.php
Flag a refresh when creating an account to prevent nonce issues. Fixes #3612.

@coenjacobs Might be for .14? Part of it anyway, can't cherry pick this
one.

Conflicts:
	assets/js/frontend/checkout.min.js
	classes/class-wc-checkout.php
Readme bump, getting ready for version 2.0.14