Add priority to interface
Add flag icons
Update client-api gem
Merge pull request #95 from JamesGlover/58228540_add_priority_level_2_and_3_to_all_inboxes

58228540 add priority level 2 and 3 to all inboxes
Fix empty pool bug
Empty pools were using the wells.first for sorting, but wells first
was nill. Now falls back to all_wells.first in the event that all
wells have failed. Results in an empty well on the target plate, but
I think this is the prefered behaviour.
Merge pull request #96 from JamesGlover/fix_plate_helper

Fix empty pool bug
Merge Fail but charge