Merge branch 'qa/metrics' into 'develop'

.gitlab-ci.yml

.gitlab-pages.html

.phpmd.xml

Makefile

README.md

config/packages/doctrine_migrations.yaml

migrations/Version20180619192219.php

migrations/Version20180620211117.php

migrations/Version20180625203119.php

migrations/Version20180625210010.php

migrations/Version20180629090158.php

migrations/Version20180702142837.php

migrations/Version20180705202242.php

migrations/Version20180708183305.php

migrations/Version20180714115042.php

migrations/Version20180715120618.php

migrations/Version20180716193440.php

migrations/Version20180722161251.php

migrations/Version20180729162508.php

migrations/Version20180730162628.php