Move .data_bags to data_bags

Vagrant by default looks in data_bags, so let's not stash stuff in .data_bags
Change run_list to include chef-solo-search & apt

Need these cookbooks as dependencies for chef-solo/test-kitchen runs
Move conditional statement into resource

Foodcritic FC023 fix http://acrmp.github.io/foodcritic/#FC023
Add chef-solo-search to logging requirements

Updated the template as well to handle empty sets