Redirect to myaccount. Closes #3740

Conflicts:
	includes/class-wc-form-handler.php
Fix tax rule detection. Closes #3698.

Conflicts:
	assets/js/admin/meta-boxes.min.js
Fix search_post_excerpt when quotes are searched. Closes #3767

@coenjacobs for .15 too
touchstart event for ios devices. Closes #3376.

Conflicts:
	assets/js/frontend/add-to-cart-variation.min.js