Removed PHP 5.3 CI

Removed PHP 5.3 from Jenkins CI because of exhasuted memory

Author: Flyers

.travis.yml

@@ -1,13 +1,15 @@
 language: php
 
 php:
-  - 5.3.3
-  - 5.3
   - 5.4
+  - 5.5
+  - 5.6
+  - 7.0
 
 before_script:
   - phpenv config-rm xdebug.ini
   - composer self-update
   - composer install
 
-script: phpunit -c app
+script:
+  - phpunit -c app