Revert: Search by accession number now uses patient search, which includes search by accession

https://www.pivotaltracker.com/story/show/71277310 (ac814a9dc901d72d8c77b6ba14b92a48f696b08f)
Revert: Search by accession number now uses patient search, which includes search by accession

https://www.pivotaltracker.com/story/show/71277310 (ac814a9dc901d72d8c77b6ba14b92a48f696b08f)
Merge pull request #200 from pfschwartz/develop

Revert search results by accession number