updating regression tests after fixing a bug in how many pixels are converted on the last step

git-svn-id: svn://scm.naturalcapitalproject.org/svn/invest-test-data@100 a1e471e8-3ae1-4eeb-aa86-f41caf2650e8

scenario_gen_proximity/farthest_from_edge_regression.csv

 lucode,area converted (Ha),pixels converted
-2,19988.3746755072,898
+2,20010.63344,899

scenario_gen_proximity/nearest_to_edge_regression.csv

 lucode,area converted (Ha),pixels converted
-1,400.6578442752,18
-2,18541.554682291197,833
-4,244.84646039039995,11
-5,801.3156885504,36
+1,400.6578443,18
+2,18563.81345,834
+4,244.8464604,11
+5,801.3156886,36

scenario_gen_proximity/small_farthest_from_edge_regression.csv

 lucode,area converted (Ha),pixels converted
-2,18892.711025463894,871
-4,21.690827813391383,1
+2,18892.71103,871
+4,21.69082781,1