updated regions, fixed Caspian excl Black Sea incl

finished running model_create_regions.py.
named so Black Sea included, Caspian excluded.
resolved OHI-Science/ohicore#68
resolved OHI-Science/ohicore#63
moved interim files to git-annex cache folder since are big and want to run more fluidly on neptune
1km buffering bonking at just Norway and Sweden

going to try running per country (ohi-science/ohicore#40)
Merge branch 'master' of https://github.com/bbest/ohiprep
Merge pull request #24 from bbest/master

regions and buffers updates