Update changelog
fix: showing ex.tax
fix: showing ex.tax
added coupon form to checkout
fix: html errors
added new variables, fixed typo
Fix: from name hrader, add: [else] to rewrite variables
Fix: generate default emails button
hotfix
hotfix
hotfix
reverted $options, $order, $inc_tax
removed '+' from code
Merge pull request #1002 from KrzysztofBorbis/master

Fatal error fixes, email improvements