Portworx template for Rancher (#277)

* add portworx to rancher catalog

* Update docker-compose.yml

* Update config.yml

* Update README.md

templates/portworx/0/README.md

@@ -0,0 +1,6 @@
+## Cluster Token Needed
+Please contact support@portworx.com for a Cluster Token
+
+## Product Documentation 
+[Portworx Documentation] (https://docs.portworx.com)
+

templates/portworx/0/docker-compose.yml

@@ -0,0 +1,22 @@
+portworx:
+  labels:
+    io.rancher.container.create_agent: 'true'
+    io.rancher.scheduler.global: 'true'
+    io.rancher.container.pull_image: 'always'
+  image: portworx/px-dev
+  container_name: px
+  ipc: host
+  net: host
+  privileged: true
+  environment:
+    CLUSTER_TOKEN: ${cluster_token}
+  volumes:
+     - /dev:/dev
+     - /usr/src:/usr/src
+     - /run/docker/plugins:/run/docker/plugins
+     - /var/lib/osd:/var/lib/osd:shared
+     - /etc/pwx:/etc/pwx
+     - /opt/pwx/bin:/export_bin:shared
+     - /var/run/docker.sock:/var/run/docker.sock
+     - /var/cores:/var/cores
+  command: -t ${cluster_token} -a -f

templates/portworx/0/rancher-compose.yml

@@ -0,0 +1,13 @@
+.catalog:
+  name: "Portworx"
+  version: "1.0.2-2016-09-07-GA"
+  description: "Container Defined Storage for Docker"
+  uuid: 352669-pwx-1.0.2
+  minimum_rancher_version: v0.56.0
+  questions:
+    - variable: cluster_token
+      description: "Cluster Token from Lighthouse"
+      label: "Cluster Token"
+      type: "string"
+      required: true
+      default: ""