Basic layout, may need revisions.
AIMS-61 Basic setup for trays. Schema for other models, testing setup.
Started items, this doesn't belong in here yet.
Some tightening up on barcodes.
More realistic barcodes. (May have to add sequences later.)
Better errors in dev mode.
Improved validation.
Fixed item barcode.
Check for valid tray.
Add hipchat notifications for travis build status
AIMS-62 Associate a tray with a shelf.
Merge branch 'tray-stocking' of github.com:ndlib/annex-ims into tray-stocking
Merge branch 'tray-stocking' into staging