Added invoiceGenerator
Merge branch 'develop' into feature/402-Payment
Merge branch 'refs/heads/develop' into feature/402-Payment
add pdf mailer method
copy invoice generator to WPLACM project including library and templates
fix message sender for pdf
Merge branch 'develop' into feature/402-Payment
add wplacm-logo
add invoice generation and mail sending to infinity, missing: data mappings, not tested
add data mappings for invoice subprocess and changed recipient mail to Wbigaccounting@patrick-vogel.net