Initial work on scan barcode presenter
direct output from merge
Merge branch 'T54_MVP_for_scan_barcode' of github.com:iain-peddie-tessella/s2_extraction_pipeline into add_tube_selection_presenter

Conflicts:
	app/scripts/main.js
	app/scripts/presenters/selection_page_presenter.js
integration of the selection_page_presenter into the app
working app following merge
scan barcode box moves down the page
Scan barcodes integrated into selection page
Merge pull request #5 from iain-peddie-tessella/T54_MVP_for_scan_barcode

T54 mvp for scan barcode