Merge pull request #13 from OHI-Science/master

CW trends and debugging TR, NP from jules32
updated WorldBank stats Labor, Unemployment, GDP
with new gapfill_georegions ratio_weights=T argument
Merge branch 'master' of github.com:bbest/ohiprep
WorldBank-Stats fixed output of gapfill attribute files
resolved conflict with Global/WorldBank-Statistics_v2012/data_prep.R by overwriting with bbest version
Merge branch 'bbest-master'