Fixes #3538: Display all cf-promises message in details of deployment error
Merge pull request #193 from fanf/bug_3538/dev/display_cf_promises_msg_in_deployment_error_details

Fixes #3538: Display all cf-promise messages in deployment error's details
Merge branch 'branches/rudder/2.4' into branches/rudder/2.5

* branches/rudder/2.4:
  Fixes #3538: Display all cf-promises message in details of deployment error
Merge branch 'branches/rudder/2.5'

* branches/rudder/2.5:
  Fixes #3538: Display all cf-promises message in details of deployment error

Conflicts:
	rudder-web/src/main/scala/com/normation/rudder/web/comet/AsyncDeployment.scala