add descriptive name with build number to the AMI

shibboleth-appliance.json

@@ -11,7 +11,8 @@
       "ssh_password": "centos",
       "region": "us-west-1",
       "timestamper": "{{timestamp}}",
-      "outputfile_name": "shibboleth-appliance-centos7"
+      "outputfile_name": "shibboleth-appliance-centos7",
+	  "build_number": "{{env `BUILD_NUMBER`}}"
   },
   "provisioners": [
     {
@@ -70,6 +71,7 @@
       "access_key": "{{user `aws_access_key`}}",
       "secret_key": "{{user `aws_secret_key`}}",
       "region": "{{user `region`}}",
+	  "ami_name": "TIER-Shibb Build: {{user `build_number`}}",
       "s3_bucket_name": "internet2-tier-ami-import-us-west-1",
       "tags": {
         "Description": "packer amazon-import-shibboleth-appliance {{user `timestamper`}}"