title: How to query cookbook versions on a node?
body: <p><strong><em>Usage case:</em></strong>
  The DevOps team launched a node sometime ago, and my team would like to know what's the version(s) of one/several cookbook(s) being used in the run_list. 
  Our DevOps team is firefighting so we'd like to find a way to be self-sufficient.</p>
  
  <p><strong><em>Commands Tried:</em></strong>
  <code>knife cookbook show COOKBOOK</code> give all possible versions, but does not specify which one being used. </p>
  
  <p><code>knife node show NODE</code> shows all cookbooks, but there's no version info attached. </p>
  
  <p><strong><em>Question:</em></strong> Is there a command (something similar to <code>knife search</code>, <code>ohai</code>) to query the chef-server for the versions deployed on the node? </p>