Merge pull request #13 from OHI-Science/master

CW trends and debugging TR, NP from jules32
Merge pull request #76 from jules32/master

TR: trying to gapfill laborforce with total pop
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
adding git_mergtool_screen.png
resolved conflict with Global/WorldBank-Statistics_v2012/data_prep.R by overwriting with bbest version
Merge branch 'bbest-master'
Merge pull request #77 from bbest/master

updated WorldBank stats Labor, Unemployment, GDP
Merge pull request #12 from OHI-Science/master

sync jules32 repo