Merge pull request #181 from NYULibraries/chore/vagrant-ubuntu-16

update vbox to xenial

Author: mnyrop

Vagrantfile

@@ -5,7 +5,7 @@
 RUBY_V = File.open("./.ruby-version") { |f| f.read }.chomp
 
 Vagrant.configure(2) do |config|
-  config.vm.box = "bento/ubuntu-14.04"
+  config.vm.box = "bento/ubuntu-16.04"
   config.vm.hostname = "sdr-geoblacklight"
   config.vm.synced_folder ".", "/vagrant/sdr"