Install dependent packages all in one go

This is much faster than installing them separately.

Author: chewi

recipes/default.rb

@@ -45,9 +45,7 @@
 end
 
 # Install required packages for Gitlab
-node['gitlab']['packages'].each do |pkg|
-  package pkg
-end
+package node['gitlab']['packages']
 
 # Add a git user for Gitlab
 user node['gitlab']['user'] do