Modify licence

core/internal/Acl.php

core/internal/Api.php

core/internal/Bootstrap.php

core/internal/Cache.php

core/internal/CentreonSlugify.php

core/internal/Command.php

core/internal/Config.php

core/internal/Constant.php

core/internal/Controller.php

core/internal/Csrf.php

core/internal/Datatable.php

core/internal/Db.php

core/internal/Di.php

core/internal/Event.php

core/internal/Exception.php

core/internal/Form.php

core/internal/Form/Validators/AuthorizedValues.php

core/internal/Form/Validators/CircularDependency.php

core/internal/Form/Validators/CustomMacroValidator.php

core/internal/Form/Validators/Datetime.php