Added the ability to track code coverage with coveralls.io

.travis.yml

@@ -16,7 +16,10 @@ before_script:
 script:
     - php bin/phpunit -c build/
     - php bin/phpcs -n --standard=PSR1,PSR2 --report=full src/
-      #- php bin/phpmd src/ text build/rulesets/phpmd.xml
+    #- php bin/phpmd src/ text build/rulesets/phpmd.xml
+
+after_script:
+    php bin/coveralls
 
 notifications:
     email: true

build/phpunit.xml.dist

@@ -25,5 +25,6 @@
 
     <logging>
         <log type="coverage-html" target="docs/code-coverage"/>
+        <log type="coverage-clover" target="build/logs/clover.xml"/>
     </logging>
 </phpunit>

composer.json

@@ -44,7 +44,8 @@
         "phpunit/phpunit": "~4.3.1",
         "fzaninotto/faker": "~1.4.0",
         "mikey179/vfsStream": "~1.4.0",
-        "squizlabs/php_codesniffer": "~1.5.5"
+        "squizlabs/php_codesniffer": "~1.5.5",
+        "satooshi/php-coveralls": "~0.6.1"
     },
     "config": {
         "bin-dir": "bin"