Fix bug when publishing multiple ARs from the list view
Update jsonapi to reflect new product structure - depends plone.jsonapi.core
Fix some formatting in pdfs, add CSV donload to report results
Add BatchDate indexer
Add adapters for creating new reports in extension packages

Refactored reports JS/PT
Add sort_order, sort_on and pagination hints to jsonapi/read

When requesting objects with @@API/read, two extra parameters have been
added:

- page_nr (default 0)
- page_size (default 10).

The returned JSON objevt will contain some extra fields explaining the
contents of the jsonvalue['objects'] array:

- total_objects: count of objects matching query
- first_object_nr: number of first object returned
Revert "Add BatchDate indexer"

This reverts commit 782513f641fcf5221cc8fe85f8299f79862dabc8.
Invoice list shows invoice batches. #1107 #1108
Add adapters for adding reports
Missing 'Add Invoice' button
First draft of priorities - permission problem on create
Start of first test
Changes permissions, added  priority workflow
Got arpriority create working
Moved ARPriorities into control panel
Added importing of priorities
Sort priority listing on sortKey
Fixed priorities in AR; link Sample priority to AR priority
Priorites to ARImports - changed affected import, validation and test data files
First draft of priorities - permission problem on create
Changes permissions, added  priority workflow