update core gems to latest versions
update provisioning gems
default to passwordless Sudo for deploy and vagrant users
First pass at Vagrantfile which automatically parses node definitions
use a separate directory for vagrant cookbooks as need to vendor

We can't use the vagrant berkshelf plugin since it's being depreciated. So we vendor
the cookbooks first then use a custom directory.
update cookbooks to user 14.04 compatible ones
ignore local vagrant files
adds vagrant config to example file
add hostname and locales community cookbooks
adds documentation and exclusions to Vagrantfile
add empty exclusions list to example json
bumps version