cookbooks as submodules

* application
* application_rest-tail
* apt
* build-essential
* chef-client
* chef-solo-search
* chef_gem
* chef_handler
* dmg
* git
* nginx
* ohai
* renv
* ruby_build
* runit
* sudo
* users
* windows
* yum
rest_tail role, update Vangrantfile, user databag