Fixes #5615: Will add back cookie usage on rule table
Merge pull request #622 from VinceMacBuche/bug_5615/cookie_not_restored_rule_table

Fixes #5615: Will add back cookie usage on rule table
Merge branch 'branches/rudder/2.10' into branches/rudder/2.11

Conflicts:
	rudder-web/src/main/scala/com/normation/rudder/web/components/RuleGrid.scala