Removed broken coveralls badge

README.md

@@ -5,13 +5,13 @@ omniauth-gplus
 [![Code Climate](http://img.shields.io/codeclimate/github/samdunne/omniauth-gplus.svg)][codeclimate]
 [![Build Status](http://img.shields.io/travis/samdunne/omniauth-gplus.svg)][travis]
 [![Dependency Status](http://img.shields.io/gemnasium/samdunne/omniauth-gplus.svg)][gemnasium]
-[![Coverage Status](http://img.shields.io/coveralls/samdunne/omniauth-gplus.svg)][coveralls]
+[![Gittip](http://img.shields.io/gittip/samdunne_.svg)][gittip]
 
 [gem]: https://rubygems.org/gems/omniauth-gplus
 [codeclimate]: https://codeclimate.com/github/samdunne/omniauth-gplus
 [travis]: https://travis-ci.org/samdunne/omniauth-gplus
 [gemnasium]: https://gemnasium.com/samdunne/omniauth-gplus
-[coveralls]: https://coveralls.io/r/samdunne/omniauth-gplus
+[gittip]: https://www.gittip.com/samdunne_
 
 `omniauth-gplus` is a Google+ strategy for OmniAuth.
 It allows you to easily interact with the Google+ OAuth2 endpoint.