schema changes for well barcode states. added extjs print extension to use in new pick list page
produce printable grid of FP wells in freezer for genes
implemented individual well barcode checkout
improved well detail display
added checked out barcode view page
added freeze back and discard buttons
implementing barcode discard. js validation to require discard reason
skeleton for barcode actions util methods
corrected name of barcode_events table
implemented barcode discard and supporting methods
started implementing freeze back
creation of PIQ wells for freeze back implemented
can now add barcodes to PIQ wells created by freeze back
show lab numbers instead of tmp well IDs on freeze back page
removed old comment
Merge branch 'devel' into fp_barcode_interface
added BarcodeActions tests
barcode upload logic moved to Util/BarcodeActions
plate barcode upload now handles moving of wells
barcodes missing from plate scan are set to checked_out