Add Puppet 4 to travis matrix

.travis.yml

@@ -15,5 +15,7 @@ matrix:
     env: PUPPET_GEM_VERSION="~> 3.0"
   - rvm: 2.0.0
     env: PUPPET_GEM_VERSION="~> 3.0" FUTURE_PARSER="yes"
+  - rvm: 2.1.0
+    env: PUPPET_GEM_VERSION="~> 4.0"
 notifications:
   email: false

spec/acceptance/nodesets/ubuntu-10.04-x86_64-docker.yml

@@ -0,0 +1,12 @@
+HOSTS:
+  ubuntu-1004-x64:
+    default_apply_opts:
+      strict_variables:
+    platform: ubuntu-10.04-amd64
+    hypervisor : docker
+    image: ubuntu:10.04
+    # This stops the image from being deleted on completion, speeding up the process.
+    docker_preserve_image: true
+CONFIG:
+  type: foss
+  log_level: debug

spec/acceptance/nodesets/ubuntu-12.04-x86_64-docker.yml

@@ -0,0 +1,12 @@
+HOSTS:
+  ubuntu-1204-x64:
+    default_apply_opts:
+      strict_variables:
+    platform: ubuntu-12.04-amd64
+    hypervisor : docker
+    image: ubuntu:12.04
+    # This stops the image from being deleted on completion, speeding up the process.
+    docker_preserve_image: true
+CONFIG:
+  type: foss
+  log_level: debug

spec/acceptance/nodesets/ubuntu-14.04-x86_64-docker.yml

@@ -0,0 +1,12 @@
+HOSTS:
+  ubuntu-1404-x64:
+    default_apply_opts:
+      strict_variables:
+    platform: ubuntu-14.04-amd64
+    hypervisor : docker
+    image: ubuntu:14.04
+    # This stops the image from being deleted on completion, speeding up the process.
+    docker_preserve_image: true
+CONFIG:
+  type: foss
+  log_level: debug

spec/acceptance/nodesets/ubuntu-14.04-x86_64-openstack.yml

@@ -1,5 +1,5 @@
 HOSTS:
-  ubuntu-14.04-x64:
+  ubuntu-1404-x64:
     default_apply_opts:
       strict_variables:
     platform: ubuntu-14.04-amd64