updated .gitignore
initial commit of afinch utilities (pivoter)
refactor Pivoter for logic reuse
Add statistics to pivoted AFINCH DSG file
Merge branch 'master' of github.com:USGS-CIDA/glri-afinch
Merge pull request #49 from tkunicki-usgs/master

commit pivoter code use to generate AFINCH netcdf output