multiple fixes (#709)

* fix script permissions
* remove html formatting in README.md
* update helm chart image urls

Author: cjerad

README.md

@@ -1,6 +1,6 @@
-<h1>AWS Node Termination Handler</h1>
+# AWS Node Termination Handler
 
-<h4>Gracefully handle EC2 instance shutdown within Kubernetes</h4>
+#### Gracefully handle EC2 instance shutdown within Kubernetes
 
 ## Project Summary
 

charts/aws-node-termination-handler-2/values.yaml

@@ -13,7 +13,7 @@ controller:
     # .   value: eu-west-1
 
     # Image to deploy.
-    image: "public.ecr.aws/aws-node-termination-handler:v2.0.0-0.1"
+    image: "public.ecr.aws/aws-ec2/aws-node-termination-handler-2/controller:v2.0.0-alpha"
 
     # Override global logging level.
     logLevel: ""
@@ -173,7 +173,7 @@ webhook:
     # .   value: eu-west-1
 
     # Image to deploy.
-    image: "public.ecr.aws/aws-node-termination-handler:v2.0.0-0.1"
+    image: "public.ecr.aws/aws-ec2/aws-node-termination-handler-2/webhook:v2.0.0-alpha"
 
     # Override global logging level.
     logLevel: ""