WIP: inventory view.
Auto-login fake user for demo purposes until new auth is implemented.
Set product type category as document property on load.
Use real data in inventory.
Fix latest stock count calculation based on grouping level (state, zone ...).
Use strings instead of ints for place type identifiers.
In inventory, implement navigation through click and show all states at start.
Include today in default date filters.
Implement inventory CSV export.
Add chart to inventory.
In inventory, do not show filter and export buttons on print.
Avoid page breaks inside inventory graph on print.
In inventory chart, force x ticks to starts of days to match data.
Make points of line charts visible (more readable and fixes empty charts for single values).
Merge pull request #27 from hbj/feature/865-inventory

#865 inventory