#55 - Add support for virtual aliases

Signed-off-by: Sean OMeara <someara@opscode.com>

templates/default/virtual_aliases.erb

@@ -0,0 +1,10 @@
+#
+# This file is generated by Chef for <%= node['fqdn'] %>
+#
+# Local changes will be overwritten
+#
+# See man 5 virtual for format
+
+<% node['postfix']['virtual_aliases'].each do |key, value| %>
+<%= key %> <%= value %>
+<% end %>