feat(api): Split role between configuration and realtime

www/api/class/centreon_administration_widget.class.php

www/api/class/centreon_clapi.class.php

www/api/class/centreon_configuration_objects.class.php

www/api/class/centreon_home_customview.class.php

www/api/class/centreon_keepalive.class.php

www/api/class/centreon_metric.class.php

www/api/class/centreon_proxy.class.php

www/api/class/centreon_realtime_base.class.php

www/api/class/centreon_results_acceptor.class.php

www/api/class/centreon_wiki.class.php

www/api/class/webService.class.php

www/api/index.php

www/api/internal.php

www/class/centreonUser.class.php

www/include/configuration/configObject/contact/DB-Func.php

...lude/configuration/configObject/contact/formContact.ihtml

...nclude/configuration/configObject/contact/formContact.php

www/include/configuration/configObject/contact/help.php

www/install/createTables.sql

www/install/sql/centreon/Update-DB-2.8.20_to_2.8.21.sql