ADD .gitignore

.gitignore

@@ -15,7 +15,6 @@
 /public/tmp/*
 /tmp/*
 /public/cache/*
-.gitignore
 /config/newrelic.yml
 /public/images/avatars/*
 /Gemfile
@@ -40,3 +39,6 @@ public/javascripts/wechat/node_modules/
 tmux*.log
 config/wechat.yml
 config/oneapm.yml
+
+/vendor
+README.rdoc