Merge pull request #5 from OHI-Science/master

update bbest ohicore
Merge branch 'master' of github.com:bbest/ohicore
added TR detailed layers. OHI-Science/ohicore#32
updated georegional gapfilling to handle years for TR. ohi-science/ohicore#32
finished TR status and trend with updated formula (removed V/P term). TODO: compare with original results. resolves ohi-science/ohicore#32
Merge pull request #110 from bbest/master

TR done and updated gapfilling with year