Change to use pdfbox for text extraction.

We got some weird characters (^L) from a pdftotext output, so change the
extractor. Brian has had some issues with pdftotext as well.
Check for special return code from holdMets
Merge branch 'OAC' of github.com:mredar/RecordExpress into OAC
Merge branch 'OAC' of ssh://dscl-stg.cdlib.org/apps/dsc/branches/production/djsite/apps/RecordExpress into OAC
Merge branch 'OAC' of ssh://dsc.cdlib.org/apps/dsc/branches/production/djsite/apps/RecordExpress into OAC