Merge pull request #4 from OHI-Science/master

finished FAO-Commodities data files for NP (OHI-Science/ohicore#34)
playing with gvisMotionCharts
removed first() from name_to_rgn_id.r; working with World Bank stats with improved BB functions
Merge pull request #45 from jules32/master

World Bank stats using name_to_rgn_id.r and gapfill_georegions.r