Remove Query Parameter class (need a propoer user story for that)
Link to change request in Event log
Improve change request service usage + modify cr event
Rules edit form fully workflowised
Merge remote-tracking branch 'vme_origin/proto/workflows' into proto/workflows
Remove unused code in RuleEditForm
Workflow event logs
Merge remote-tracking branch 'FAR/proto/workflows' into proto/workflows

Conflicts:
	rudder-core/src/main/scala/com/normation/rudder/services/workflows/WorkflowService.scala
	rudder-web/src/main/scala/bootstrap/liftweb/AppConfig.scala
First step in workflowisation of groups
Add db migration file
Add rule diff V1
Add link to rule diff
Merge remote-tracking branch 'FAR/proto/workflows' into proto/workflows
fetcht he correct id of change request
minor graph ehancement