Vagrantfile in rflow-1.0.1 vs Vagrantfile in rflow-1.1.0

@@ -1,49 +1,49 @@
 # -*- mode: ruby -*-
 # vi: set ft=ruby :
-VAGRANTFILE_API_VERSION = "2"
+VAGRANTFILE_API_VERSION = '2'
 
 Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
   config.vm.define 'centos62' do |c|
-    c.vm.box = "jstoneham/rflow-centos62"
+    c.vm.box = 'jstoneham/rflow-centos62'
   end
   config.vm.define 'centos64' do |c|
-    c.vm.box = "box-cutter/centos64"
+    c.vm.box = 'box-cutter/centos64'
   end
   config.vm.define 'centos65' do |c|
-    c.vm.box = "chef/centos-6.5"
+    c.vm.box = 'chef/centos-6.5'
   end
 
   config.vm.synced_folder '.', '/rflow'
   # bring over rflow examples; use rsync so it's safe to create IPCs in the rflow-examples directory
   # (that is, avoid NFS)
   # run 'vagrant rsync-auto' to get syncing to happen automatically
   config.vm.synced_folder '../rflow_examples', '/rflow_examples', type: 'rsync', rsync__exclude: '.git/'
   config.vm.synced_folder '../rflow-components-http', '/rflow-components-http'
 
   # forward http for rflow testing
-  config.vm.network "forwarded_port", guest: 8000, host: 8000
+  config.vm.network 'forwarded_port', guest: 8000, host: 8000
 
   # install RPM dependencies for rflow and zeromq
-  config.vm.provision "shell", privileged: true, inline: <<-EOS
+  config.vm.provision 'shell', privileged: true, inline: <<-EOS
     curl -O https://dl.fedoraproject.org/pub/epel/6/i386/epel-release-6-8.noarch.rpm
     rpm -ivh epel-release-6-8.noarch.rpm
     yum -y install libyaml-devel patch libffi-devel glibc-headers autoconf gcc-c++ glibc-devel readline-devel zlib-devel openssl-devel automake libtool bison git sqlite-devel rpm-build libuuid-devel vim
   EOS
 
   # build zeromq as vagrant user
-  config.vm.provision "shell", privileged: false, inline: <<-EOS
+  config.vm.provision 'shell', privileged: false, inline: <<-EOS
     curl -O http://download.zeromq.org/zeromq-3.2.4.tar.gz
     rpmbuild -tb zeromq-3.2.4.tar.gz
   EOS
 
   # install zeromq
-  config.vm.provision "shell", privileged: true, inline: <<-EOS
+  config.vm.provision 'shell', privileged: true, inline: <<-EOS
     rpm -ivh ~vagrant/rpmbuild/RPMS/x86_64/zeromq-*
   EOS
 
   # set up RVM and bundler
-  config.vm.provision "shell", privileged: false, inline: <<-EOS
+  config.vm.provision 'shell', privileged: false, inline: <<-EOS
     rm -f .profile
     curl -sSL https://get.rvm.io | bash -s stable
     source .rvm/scripts/rvm
     rvm install `cat /rflow/.ruby-version`
     cd /rflow