let travis build develop and update readme to display the status

.travis.yml

 branches:
   only:
     - 'master'
+    - 'develop'
     
 language: ruby
 rvm:

README.md

@@ -2,14 +2,11 @@ Diaspora*
 
 Diaspora is a privacy-aware, personally-controlled, do-it-all open source social network. Check out our [project site](http://diasporaproject.org).
 
-[![Build Status](https://secure.travis-ci.org/diaspora/diaspora.png?branch=master)](http://travis-ci.org/diaspora/diaspora)
-[![Dependency Status](https://gemnasium.com/diaspora/diaspora.png?travis)](https://gemnasium.com/diaspora/diaspora)
-[![Code Climate](https://codeclimate.com/badge.png)](https://codeclimate.com/github/diaspora/diaspora)
-
-************************
-Diaspora is currently going through a huge refactoring push, the code is changing fast!
-If you want to do something big, reach out on IRC or the mailing list first, so you can contribute effectively <3333
-************************
+* **master:** [![Build Status master](https://secure.travis-ci.org/diaspora/diaspora.png?branch=master)](http://travis-ci.org/diaspora/diaspora)
+* **develop:** [![Build Status develop](https://secure.travis-ci.org/diaspora/diaspora.png?branch=develop)](http://travis-ci.org/diaspora/diaspora)
+* [![Dependency Status](https://gemnasium.com/diaspora/diaspora.png?travis)](https://gemnasium.com/diaspora/diaspora)
+* [![Code Climate](https://codeclimate.com/badge.png)](https://codeclimate.com/github/diaspora/diaspora)
+
 
 With Diaspora you can: