* remove jobs table
* Working on notifications
* Working on notifications
* Fixes for setting group level currency id on new client
* Working on repeating headers
* Use CSS to force headers and footers
* recurring headers and footers
* Preview PDF
* Working on PDF Preview
* Client and System Notifications
* Fix for group settings currency not applying correctly.
* Split head out of design in order to reuse headers and footers
* export the designs
* Fixes for pdf_variables
* style cs
* Style CS
* Throw Record not found exception if invalid primary key hash is provided
* Improve error handling
* Create abstract implementation for designs
* working on custom designs
* Add Design Model
* invoice services
* Download Invoice by Invitation
