Add coverage image to readme, Composer update.

Author: ezzatron

README.md

@@ -80,7 +80,5 @@ PHP-LCS strives to attain a high level of quality. A full test suite is
 available, and code coverage is closely monitored.
 
 ### Latest revision test suite results
-[![Build Status](https://secure.travis-ci.org/ezzatron/php-lcs.png)](http://travis-ci.org/ezzatron/php-lcs)
-
-### Latest revision test suite coverage
-<http://ci.ezzatron.com/report/php-lcs/coverage/>
+[![Build status](https://secure.travis-ci.org/ezzatron/php-lcs.png)](http://travis-ci.org/ezzatron/php-lcs)
+[![Test coverage](http://ezzatron.github.com/php-lcs/coverage-report/coverage.png)](http://ezzatron.github.com/php-lcs/coverage-report/index.html)