Merge pull request #5 from OHI-Science/master

updating Julie's repo
Merge pull request #157 from bbest/master

added year_min, year_max to diagnostic fields of CheckLayers output
fix bug in gapfill_georegions.r when is.na(fld_year)
Merge pull request #158 from jules32/master

fix functionality when there is no fld_year column (not a timeseries)
fixed indent in gapfill_georegions after confirming with @bbest
Merge pull request #159 from jules32/master

fixed indent in gapfill_georegions after confirming with @bbest
Merge pull request #10 from OHI-Science/master

updating