Started integrating the notification center
Adjusted interface usage
Fixed token descriptions
Added recipient token info
Changed tl_module to notification center
Only pass notification choice to order
Use  the notification center to send an order confirmation
Fixed wrong namespace reference
Fixed wrong param for hook
Modified tl_module to support a separate notification collection template and a document choice
Support adding documents to the notification
Removed isotope internal mail handling
Adjusted the status update to the notification center too
Adjust to latest notification center changes
Merge branch 'develop' into feature/notification-center
Improved order of setup modules
Added a notifications quick link to the setup module
Path to upload file must be absolute
Generate address and payment/shipping method tokens in the order

This way they are updated whenever a new email is sent
Revert "Path to upload file must be absolute"

This reverts commit 4e585b646afa5ad62e0a25e38ef92f84ec3c90cf.