.gitignore in beaker-1.6.2 vs .gitignore in beaker-1.7.0

@@ -10,8 +10,15 @@
 .yardoc
 coverage
 .bundle
 .vendor
 _vendor
-!tmp/README
-tmp/*
+tmp/
 doc
+# JetBrains IDEA
+*.iml
+.idea/
+# rbenv file
+.ruby-version
+# Vagrant folder
+.vagrant/
+.vagrant_files/