CFY-4773 updated aws plugin version

Author: nirbir

aws-ec2-blueprint.yaml

@@ -6,7 +6,7 @@ description: >
 
 imports:
   - http://www.getcloudify.org/spec/cloudify/3.4m1/types.yaml
-  - http://www.getcloudify.org/spec/aws-plugin/1.3.1/plugin.yaml
+  - http://www.getcloudify.org/spec/aws-plugin/1.4/plugin.yaml
   - http://www.getcloudify.org/spec/diamond-plugin/1.3.1/plugin.yaml
   - types/nodecellar.yaml
   - types/aws-ec2-types.yaml