Release v1.6.1

NEW:      Require golang 1.8+ as required by consul
FIX:      Correct issue running with restrictive IAM profiles.
UPDATE:   Update to 0.8.4 consul api package
UPDATE:   Update to 1.8.40 aws-sdk-go package

build/build.sh

@@ -2,7 +2,7 @@
 #
 ## package declarations
 BUILD_NAME="consul-backinator"
-RELEASE_VERSION="1.6"
+RELEASE_VERSION="1.6.1"
 RELEASE_BUILD=0
 
 ## simple usage example