updating seasonal water yield agg results due to minor numerical differences...

updating seasonal water yield agg results due to minor numerical differences between pgp 0.3.3 and 0.5.0

git-svn-id: svn://scm.naturalcapitalproject.org/svn/invest-test-data@130 a1e471e8-3ae1-4eeb-aa86-f41caf2650e8

seasonal_water_yield/l_agg_results.csv

-0,1319.507416,439.8358053
-1,99467215.17,249.6516655
+0,1319.507446,439.835815
+1,99467208.000000,249.651647