This branch is now 2.1.7-bleeding
Fix _wc_session_expires autoloading
get_image_id method + use in email template

Closes #5288
Merge pull request #5292 from kloon/fix-session-autoloading

Fix _wc_session_expires autoloading
Tweak reports query generator to reference table names

Fixes #5278
[2.2] Merge ship to billing and billing only options

+ update options, update files to use new option + function Closes #5284
[2.2] Missed one file for #5284
added validation when save the frontend colors, closes #5298
fixed some coding standards in includes/admin/settings/class-wc-settings-general.php
Merge pull request #5299 from claudiosmweb/5298-validate-front-end-colors

Add validation when save the frontend styles
Work out cart discount without tax amounts #5300
Add label explaining discount field Closes #5300
tooltip max-width. closes #5304
WC API: can generate API keys for different user than the one that is making request
wp_kses_post for meta display in admin
Fix apigen search
Resolve conflict
Fix the SKU search logic so it works with other filters. Closes #5208
Correctly round shipping + shipping tax together when passes the tax inclusive total to paypal
orderby - skip adding hidden input of submit on a GET so JS can submit properly fixes #5221