Use random application order in nodeset

spec/acceptance/nodesets/centos-5-x86_64-docker.yml

 HOSTS:
   centos-5-x64:
     default_apply_opts:
+      order: random
       strict_variables:
     platform: el-5-x86_64
     hypervisor : docker

spec/acceptance/nodesets/centos-6-x86_64-docker.yml

 HOSTS:
   centos-6-x64:
     default_apply_opts:
+      order: random
       strict_variables:
     platform: el-6-x86_64
     hypervisor : docker

spec/acceptance/nodesets/centos-6-x86_64-openstack.yml

 HOSTS:
   centos-6-x64:
     default_apply_opts:
+      order: random
       strict_variables:
     platform: el-6-x86_64
     hypervisor : openstack

spec/acceptance/nodesets/centos-6-x86_64-vagrant.yml

 HOSTS:
   centos-6-x64:
     default_apply_opts:
+      order: random
       strict_variables:
     platform: el-6-x86_64
     hypervisor : vagrant

spec/acceptance/nodesets/centos-7-x86_64-docker.yml

 HOSTS:
   centos-7-x64:
     default_apply_opts:
+      order: random
       strict_variables:
     platform: el-7-x86_64
     hypervisor : docker

spec/acceptance/nodesets/centos-7-x86_64-openstack.yml

 HOSTS:
   centos-7-x64:
     default_apply_opts:
+      order: random
       strict_variables:
     platform: el-7-x86_64
     hypervisor : openstack

spec/acceptance/nodesets/centos-7-x86_64-vagrant.yml

 HOSTS:
   centos-7-x64:
     default_apply_opts:
+      order: random
       strict_variables:
     platform: el-7-x86_64
     hypervisor : vagrant

spec/acceptance/nodesets/debian-6-x86_64-docker.yml

 HOSTS:
   debian-6-x64:
     default_apply_opts:
+      order: random
       strict_variables:
     platform: debian-6-amd64
     hypervisor : docker

spec/acceptance/nodesets/debian-6-x86_64-openstack.yml

 HOSTS:
   debian-6-x64:
     default_apply_opts:
+      order: random
       strict_variables:
     platform: debian-6-amd64
     hypervisor : openstack

spec/acceptance/nodesets/debian-6-x86_64-vagrant.yml

 HOSTS:
   debian-6-x64:
     default_apply_opts:
+      order: random
       strict_variables:
     platform: debian-6-amd64
     hypervisor : vagrant

spec/acceptance/nodesets/debian-7-x86_64-docker.yml

 HOSTS:
   debian-7-x64:
     default_apply_opts:
+      order: random
       strict_variables:
     platform: debian-7-amd64
     hypervisor : docker

spec/acceptance/nodesets/debian-7-x86_64-openstack.yml

 HOSTS:
   debian-7-x64:
     default_apply_opts:
+      order: random
       strict_variables:
     platform: debian-7-amd64
     hypervisor : openstack

spec/acceptance/nodesets/debian-7-x86_64-vagrant.yml

 HOSTS:
   debian-7-x64:
     default_apply_opts:
+      order: random
       strict_variables:
     platform: debian-7-amd64
     hypervisor : vagrant

spec/acceptance/nodesets/debian-8-x86_64-docker.yml

 HOSTS:
   debian-8-x64:
     default_apply_opts:
+      order: random
       strict_variables:
     platform: debian-8-amd64
     hypervisor : docker

spec/acceptance/nodesets/debian-8-x86_64-openstack.yml

 HOSTS:
   debian-8-x64:
     default_apply_opts:
+      order: random
       strict_variables:
     platform: debian-8-amd64
     hypervisor : openstack

spec/acceptance/nodesets/debian-8-x86_64-vagrant.yml

 HOSTS:
   debian-8-x64:
     default_apply_opts:
+      order: random
       strict_variables:
     platform: debian-8-amd64
     hypervisor : vagrant

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

 HOSTS:
   ubuntu-1004-x64:
     default_apply_opts:
+      order: random
       strict_variables:
     platform: ubuntu-10.04-amd64
     hypervisor : docker

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

 HOSTS:
   ubuntu-1204-x64:
     default_apply_opts:
+      order: random
       strict_variables:
     platform: ubuntu-12.04-amd64
     hypervisor : docker

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

 HOSTS:
   ubuntu-1204-x64:
     default_apply_opts:
+      order: random
       strict_variables:
     platform: ubuntu-12.04-amd64
     hypervisor : openstack

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

 HOSTS:
   ubuntu-1404-x64:
     default_apply_opts:
+      order: random
       strict_variables:
     platform: ubuntu-14.04-amd64
     hypervisor : docker