Readme update

README → README.md

+# Solarium PHP Solr client library
+
+![Travis CI Build Status](https://secure.travis-ci.org/basdenooijer/solarium.png?branch=master,develop)
+
 Solarium is a PHP Solr client that not only facilitates Solr communication but
 also tries to accurately model Solr concepts.
 Please see the project website for a more detailed description.
 
-Project website:
+## Project website
 http://www.solarium-project.org/
 
-GitHub project:
-http://github.com/basdenooijer/solarium
-
-License:
+## License:
 See the COPYING file or view online
 https://github.com/basdenooijer/solarium/blob/master/COPYING
 
-Issue tracker:
+## Issue tracker
 http://github.com/basdenooijer/solarium/issues
 
-Contributors:
+## Contributors
 https://github.com/basdenooijer/solarium/contributors
 
-API docs:
+## API docs
 http://api.solarium-project.org/
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