aws: Add docs for app_cookie_stickiness_policy.

website/source/docs/providers/aws/r/app_cookie_stickiness_policy.html.markdown

@@ -0,0 +1,55 @@
+---
+layout: "aws"
+page_title: "AWS: aws_app_cookie_stickiness_policy"
+sidebar_current: "docs-aws-app-cookie-stickiness-policy"
+description: |-
+  Provides an application cookie stickiness policy, which allows an ELB to wed its stickiness cookie to a cookie generated by your application.
+---
+
+# aws\_app\_cookie\_stickiness\_policy
+
+Provides an application cookie stickiness policy, which allows an ELB to wed its sticky cookie's expiration to a cookie generated by your application.
+
+## Example Usage
+
+```
+resource "aws_elb" "lb" {
+    name = "test-lb"
+	  availability_zones = ["us-east-1a"]
+	  listener {
+	      instance_port = 8000
+		    instance_protocol = "http"
+		    lb_port = 80
+		    lb_protocol = "http"
+	  }
+}
+
+resource "aws_app_cookie_stickiness_policy" "foo" {
+	  name = "foo_policy"
+	  load_balancer = "${aws_elb.lb}"
+	  lb_port = 80
+	  cookie_name = "MyAppCookie"
+}
+```
+
+## Argument Reference
+
+The following arguments are supported:
+
+* `name` - (Required) The name of the stickiness policy.
+* `load_balancer` - (Required) The load balancer to which the policy
+  should be attached.
+* `lb_port` - (Required) The load balancer port to which the policy
+  should be applied. This must be an active listener on the load
+balancer.
+* `cookie_name` - (Required) The application cookie whose lifetime the ELB's cookie should follow.
+
+## Attributes Reference
+
+The following attributes are exported:
+
+* `id` - The ID of the policy.
+* `name` - The name of the stickiness policy.
+* `load_balancer` - The load balancer to which the policy is attached.
+* `lb_port` - The load balancer port to which the policy is applied.
+* `cookie_name` - The application cookie whose lifetime the ELB's cookie should follow.