Version 2.3
Added Email pdf
Added mail templates for pdf mail
Added invoice by delivery pdf links to FO
Removed limit for restPaid on ADS
Merged Pull #862: Removed unused code in FrontOffice PDF Invoice
Removed $delivery_number from pdfs, rewritten to user invoice->delivery_number
Added error/succes msg on email pdf's
Finnally figuer out a better name EDS - Extended Delivery system
Updated OrderDelivery, OrderDeliveryDetail, OrderHistory to coding norm (Warnings ignored)
Added email pdf to statues
Added invoice / delivery pdf to addWithemail
Started to add pdf email from status, to only email latest pdf