Fixes #5706: Display tooltip on directive section just added
Merge pull request #651 from VinceMacBuche/tooltip_directive

Fixes #5706: Display tooltip on directive section just added
Merge branch 'branches/rudder/2.6' into branches/rudder/2.10

Conflicts:
	rudder-web/src/main/scala/com/normation/rudder/web/model/DirectiveEditor.scala