minor refactoring and clarification of code for finding PMID's already in the database
forgot a comment
Adjust calculation of place field in the metadata when pmids are added; also clarify code for checking for already added pmids
change name of driver script to generateLinkout to reduce confusion
Remove buildLinkout.sh script -- generateLinkout.sh takes its place
Use SELECT MAX(place) to get maximum place value
Clean up pmid logging

Log PMIDs from Pubmed XML when size == 1
Merge pull request #3 from datadryad/cleanupPMIDsearch

Cleanup pmidsearch