ref(contrib/ec2): minor cleanup in EC2 scripts

Author: carmstrong

contrib/ec2/provision-ec2-cluster.sh

@@ -44,5 +44,5 @@ aws cloudformation create-stack \
     --stack-name $NAME \
     --parameters "$(<$THIS_DIR/cloudformation.json)"
 
-echo_green "Your Deis cluster has successfully deployed to AWS CloudFormation."
-echo_green "Please continue to follow the instructions in the README."
+echo_green "Your Deis cluster has been successfully deployed to AWS CloudFormation and is currently starting."
+echo_green "Please continue to follow the instructions in the documentation."

contrib/ec2/update-ec2-cluster.sh

@@ -28,8 +28,8 @@ $CONTRIB_DIR/util/check-user-data.sh
 
 # update the deis EC2 cloudformation
 aws cloudformation update-stack \
-    --template-body "$(./gen-json.py)" \
+    --template-body "$($THIS_DIR/gen-json.py)" \
     --stack-name $NAME \
-    --parameters "$(<cloudformation.json)"
+    --parameters "$(<$THIS_DIR/cloudformation.json)"
 
-echo_green "Your Deis cluster CloudFormation has been successfully updated."
+echo_green "Your Deis cluster on AWS CloudFormation has been successfully updated."