refs #4251
fixes #4355; removes mysterious page
Merge branch '2.4.x' of http://git.centreon.com/centreon into 2.4.x
fixes #4021; include_id => exclude_id
fixes #4234
Merge branch '2.4.x' of http://git.centreon.com/centreon into 2.4.x
closes #4234
* Fix #4363: The bad host id use in sendCommand
fixes #4406; displays default key