Upgrade zookeeper and traefik packages (#185)

* Upgrade zookeeper to version 3.4.8

* Updated traefik version to v1.0.0. Added new features: ssl, multidomain, import key/cert from metadata, run as traefik user.

* Upgrade kafka to version 0.10.0

* Updated traefik version to v1.0.1. ssl key and crt set as required.

* Updated traefik version to v1.0.1. ssl working modes available.

templates/traefik/1/rancher-compose.yml

@@ -0,0 +1,77 @@
+.catalog:
+  name: traefik
+  version: v1.0.1-rancher1
+  description: |
+    (Experimental) Traefik load balancer.
+  minimum_rancher_version: v0.59.0
+  maintainer: "Raul Sanchez <rawmind@gmail.com>"
+  uuid: traefik-0
+  questions:
+    - variable: "host_label"
+      description: "Host label where to run traefik service."
+      label: "Host label:"
+      required: true
+      default: "traefik_lb=true" 
+      type: "string"
+    - variable: "http_port"
+      description: "Traefik http public port to listen."
+      label: "Http port:"
+      required: true
+      default: 8080
+      type: "int"
+    - variable: "https_port"
+      description: "Traefik https public port to listen."
+      label: "Https port:"
+      required: true
+      default: 8443
+      type: "int"
+    - variable: "admin_port"
+      description: "Traefik admin public port to listen."
+      label: "Admin port:"
+      required: true
+      default: 8000 
+      type: "int"
+    - variable: "https_enable"
+      label: "Enable HTTPS:"
+      description: |
+        Enable https working mode. If you activate, you need to fill SSL key and SSL crt in order to work.
+      default: false
+      required: true
+      type: enum
+      options:
+        - false
+        - true
+        - only
+    - variable: "ssl_key"
+      description: "SSL key to secure the service"
+      label: "SSL key"
+      type: "multiline"
+      required: false
+      default: ""
+    - variable: "ssl_crt"
+      description: "SSL cert to secure the service"
+      label: "SSL crt"
+      type: "multiline"
+      required: false
+      default: ""
+    - variable: "refresh_interval"
+      description: "Interval to poll/apply configuration changes." 
+      label: "Refresh Interval (s):"
+      required: true
+      default: 60 
+      type: "int"
+traefik:
+  retain_ip: true
+  health_check:
+    port: 8000
+    interval: 5000
+    unhealthy_threshold: 3
+    request_line: 'GET /dashboard/# HTTP/1.0'
+    healthy_threshold: 2
+    response_timeout: 5000
+  metadata:
+    traefik:
+      ssl_key: |
+        ${ssl_key}
+      ssl_crt: |
+        ${ssl_crt}