Issue #35 - Added link for NCBI search
Issue #35 - Removed scientific references link for now.
Merge pull request #53 from alim/Issue_35_NCBI_Search

Issue #35 - Added link for NCBI search
Issue #54 - Added regex for additional nucleotide identifiers
Merge branch 'development' of github.com:alim/msumlst into Issue_54_Nucleotide
Issue #54 - Added updated nucleotide identifiers to test data.
Issue #40 - Removed NULL entries from Virulence data
Issue #40 - Fixed occassionally failing Strains Controller spec.
Merge pull request #55 from alim/Issue_54_Nucleotide

Issue 54 nucleotide identifier update
Merge pull request #56 from alim/Issue_40_Remove_NULL

Issue 40 remove null fields from Virulence data
Merge pull request #57 from alim/development

Development - Merge latest development branch for Issues #35, #40, #54