Metal: Operations For Pages

Operations for pages:

1. login
2. add transport container (only admin)
3. add price list (only admin)
4. add metal_type (only admin)
5. add inventory (user and up)
6. add user (admin priv)
7. view audit (only admin) -- need to think about paging and/or limits
8. add tax info (only admin)
9. view inventory (user and default page)
10. other imports to populate tables --text file imports
11. trip detail
12. Data entry
    1. Enter loading data
    2. Enter border-crossing data
    3. Enter unloading data
13. Reports
    1. Main page shows crossfilter chart of trucks allocated per day across date range of available data
    2. Select date range, produces:
       1. Total profit [USD] (single number)
       2. Graph of profit (USD) per type
       3. Graph of weight moved (kg) per type