OCR / Barcode Scan to pull NDC from DailyMed Image Label

[jrlegrand]

Problem Statement

Pick up unmatched NDCs from SQL / XML approach to get label image mage from NDC and try to OCR / Barcode Scan to get the rest of the NDCs from the image labels.

Criteria for Success

It works.

Additional Information

Some build is in an existing branch.

[jrlegrand]

See #329 for details about code to start from.