Add circle.yml

Author: machadoit

circle.yml

@@ -0,0 +1,13 @@
+machine:
+  php:
+    version: 5.3.10
+    
+dependencies:
+  pre:
+    - curl -s http://getcomposer.org/installer | php
+    - php composer.phar install -n
+    
+test:
+  post:
+    - php vendor/bin/phpunit
+    - php bin/codacycoverage clover