Updated chef-docker to 0.31.0.

Author: mboersma

Berksfile

@@ -1,6 +1,7 @@
 site :opscode
 
 cookbook 'apt'
+cookbook 'docker'
 cookbook 'rsyslog'
 cookbook 'sudo'
 #cookbook 'deis', '~> 0.5.1'

Berksfile.lock

@@ -1,7 +1,10 @@
 {
   "sources": {
     "apt": {
-      "locked_version": "2.3.6"
+      "locked_version": "2.3.8"
+    },
+    "docker": {
+      "locked_version": "0.31.0"
     },
     "rsyslog": {
       "locked_version": "1.10.2"
@@ -14,9 +17,6 @@
       "git": "https://github.com/opdemand/deis-cookbook.git",
       "ref": "c3e09f9844e896d4cf90120e5ff4f1055fc513b3"
     },
-    "docker": {
-      "locked_version": "0.30.1"
-    },
     "git": {
       "locked_version": "2.9.0"
     },
@@ -27,7 +27,7 @@
       "locked_version": "1.4.2"
     },
     "windows": {
-      "locked_version": "1.12.8"
+      "locked_version": "1.30.0"
     },
     "chef_handler": {
       "locked_version": "1.1.4"
@@ -36,10 +36,10 @@
       "locked_version": "1.5.8"
     },
     "yum": {
-      "locked_version": "3.0.6"
+      "locked_version": "3.1.0"
     },
     "yum-epel": {
-      "locked_version": "0.3.0"
+      "locked_version": "0.3.2"
     },
     "golang": {
       "locked_version": "1.3.0"