Fixing up some docstrings causing make webdocs to fail

cloud/ec2_ami_search

@@ -26,7 +26,8 @@ description:
   - Returns C(ami), C(aki), C(ari), C(serial), C(tag)
   - If there is no AKI or ARI associated with an image, these will be C(null).
   - Only supports images from cloud-images.ubuntu.com
-  - Example output: C({"ami": "ami-69f5a900", "changed": false, "aki": "aki-88aa75e1", "tag": "release", "ari": null, "serial": "20131024"})
+  - 'Example output: C({"ami": "ami-69f5a900", "changed": false, "aki": "aki-88aa75e1", "tag": "release", "ari": null, "serial": "20131024"})'
+version_added: "1.6"
 options:
   distro:
     description: Linux distribution (e.g., C(ubuntu))

cloud/s3

@@ -68,7 +68,7 @@ options:
     aliases: []
   s3_url:
     description:
-        - S3 URL endpoint. If not specified then the S3_URL environment variable is used, if that variable is defined. Ansible tries to guess if fakes3 (https://github.com/jubos/fake-s3) or Eucalyptus Walrus (https://github.com/eucalyptus/eucalyptus/wiki/Walrus) is used and configure connection accordingly. Current heuristic is: everything with scheme fakes3:// is fakes3, everything else not ending with amazonaws.com is Walrus.
+        - "S3 URL endpoint. If not specified then the S3_URL environment variable is used, if that variable is defined. Ansible tries to guess if fakes3 (https://github.com/jubos/fake-s3) or Eucalyptus Walrus (https://github.com/eucalyptus/eucalyptus/wiki/Walrus) is used and configure connection accordingly. Current heuristic is: everything with scheme fakes3:// is fakes3, everything else not ending with amazonaws.com is Walrus."
     default: null
     aliases: [ S3_URL ]
   aws_secret_key: