cleaned up scan link code
cleaned up scan link code
making ScanOneTubeDialog work for more than one tube
making ScanOneTubeDialog work for more than one tube. renamed ScanOneTubeDialog to ScanTubeManuallyDialog.
working on  ScanTubeManuallyDialog.
Merge branch 'development' into dev-loyola-scan-link
working on #1790: Streamline scan link multiple when using hand held scanner
working on #1790: using a bi directional map now in ScanTubesManuallyWizard
resolves on #1790: Streamline scan link multiple when using hand held scanner
more work on #1790: better error checking