* Fixed case for all _e, esc_attr_e and esc_html_e strings
* Fixed case for all _n_noop strings
* Fixed case for all _x strings
* Fixed case for all __, esc_html__ and esc_attr__ strings
* Fixed a few more strings
* Fixed strings in unit tests
* Fix PayPal Standard case.
* Save Order text
@justinshreve I’m not sure why we had the admin check there, but I’ve
removed it because the setting of WP_ADMIN was breaking unrelated unit
tests. I think we should leave constants alone if possible and just
modify gateways.