fixing scaling of model/GL-NCEAS-Pressures_v2013a (ohi-science/ohicore#48)
fixed pressures rasters and output differences, most notably in cc_slr, cc_sst, fp_com_hb and fp_com_lb. (ohi-science/ohicore#48)
Merge pull request #18 from bbest/master

fixing NCEAS-Pressures_v2013a