.gitignore in apartment-0.20.0 vs .gitignore in apartment-0.21.0

@@ -1,8 +1,11 @@
 *.gem
 .bundle
 Gemfile.lock
 pkg/*
 *.log
+.idea
 *.sw[pno]
 spec/config/database.yml
 spec/dummy/config/database.yml
+cookbooks
+tmp