Add additional files to gitignore
Add additional files to gitignore

criteo-forks/squid,chef-cookbooks/squid,snkutlu/squid,snkutlu/squid,jpmat296/squid,kevinrbabcock/squid,kevinrbabcock/squid,opscode-cookbooks/squid,chef-cookbooks/squid,akaasjager/squid-icap,bitmonk/chef-squid,jpmat296/squid,PrecisionNutrition/squid,akaasjager/squid-icap,PrecisionNutrition/squid,opscode-cookbooks/squid,bitmonk/chef-squid,criteo-forks/squid