Update gsutil CACERTS_FILE_SHA1SUM file per new boto cacerts.txt content
Update gsutil CACERTS_FILE_SHA1SUM file per new boto cacerts.txt content

dimfeld/gsutil,craigcitro/gsutil,GoogleCloudPlatform/gsutil,BrandonY/gsutil,dtjackson/gsutil,mattdr/gsutil,fishjord/gsutil,chriskuehl/gsutil-debian,ttiurani/gsutil,GoogleCloudPlatform/gsutil