add mappings_Bestof
data: oregon:cco/viewDate

edited data: oregon:cco/viewDate for date of photo
typo fix

changed conversion_specification to conversionSpecification
fixes

dcterm to dct for source
fixes

captur: oregon:conversionSpecification to captur: oregon:conversionSpecifications
Update mappings_Bestof.yml

changes to match oregon digital metadata dictionary
updates

added methods and other updates from meeting 6/10.
Merge pull request #3 from kestlund/Bestof

Bestof