Implement service point inventory page

[x] Back button takes user back to list view or map view, whichever one they came from
[x] Service point icon, name, type, distance to user (or GPS unknown), and commune at the top
[x] Service point check and GPS task are sorted to the bottom always if there is a product task in either section
[x] Once tasks are completed, they move to the Checked section below, the image greys out and the green check mark appears
[x] Before any tasks are completed, the text reads "No items checked yet". This disappears when the first task is completed.
[x] After all tasks are completed, the text reads "No items to check".
[x] Information displayed in each row: -- Product image (if there is one, if no image, the generic product avatar displays) -- Product name -- Quantity (quantity doesn't display if quantity is blank) -- Serial number (if no serial number, hide the "Serial #" text
[x] When a product task is completed via the "flag problem" form, the yellow alert flag also appears for that completed task
[x] The same yellow alert flag icon also displays when any Fix problem task is completed.

opensrp / opensrp-client-eusm