Merge pull request #10 from OHI-Science/master

updating
Merge pull request #11 from OHI-Science/master

NP debug
translated check_NP.R to Rmarkdown doc
cosmetic
moved NP harvest smoothing and product peak weights layer generation into FAO-Commodities_v2011 out of ohi-global
renamed files to include buffer
renaming debug output files
implemented new NP rule for harvest data to require at least 2 years of non-zero values (seperately for tonnes and usd) before correlating and smoothing
uncommented
cleanup
added rule to ignore Libre OpenOffice lock files
Merge pull request #70 from bbest/master

updated NP harvest layers with min year requirement, aka the Congo problem fixed