begin referral module #114 table struct, and UI
#114 added UI, inserts, db restructuring
#114 added check isReferred()
#114 js additions, added referral details in detailed view
small changes to lang file
#114 fix for artisan migrate:refresh not working
Merge branch 'master' into dev

Conflicts:
	app/models/Specimen.php
Merge branch 'referral-reports'