Remove Dumper strategy, wrong way thanks UML to fix it.
PhpDumper / PhpLoader work ! Certification page ~300ms to ~76ms
Merge remote-tracking branch 'origin/master'

Conflicts:
	src/Certificationy/Bundle/TrainingBundle/Manager/CertificationManager.php
	src/Certificationy/Component/Certification/Dumper/FileDumper.php
	src/Certificationy/Component/Certification/Dumper/FileTransportInterface.php
	src/Certificationy/Component/Certification/Dumper/PhpDumper.php
	src/Certificationy/Component/Certification/Loader/CertificationFileLoader.php
	src/Certificationy/Component/Certification/Loader/CertificationLoader.php
	src/Certificationy/Component/Certification/Loader/CertificationPhpLoader.php
	src/Certificationy/Component/Certification/Model/Question.php