create 2014a CITES signatories file
making sure the WTTC script is all set for next week when the new data comes out
fixed add_gapfill.r so .*_whencev01.csv files also had information from r1 georegions. Also fixed WEF GCI data so North Korea is handled post-gapfilling.
reran World Bank Stats files with updated add_gapfill.r for .*_whencev01.csv files
Merge pull request #13 from jules32/master

improvements to add_gapfill for the .*_whencev01.csv reporting, updated files