PMMA-13 better validation
remove not needed zip
PMMA-13 better javascript validation
 PMMA-14 add update routine for 2.x.x to 3.x.x
avoid multiple setted js events
add unionpay logo
PMMA-15 send invoice mail only when the option is setted
PMMA-17 remove paymill label
remove not needed vars
PMMA-18 test if payments and clients exist also refactor preAuth/debit and fix js validation for fastcheckout
update changelog
PMMA-20 fix missing translation