Normation/rudder — pull request #501 by fanf (2014-04-29 14:35:02+00:00)
Title: Arc 4478/impl 4781 remove rudder rule variables

This PR must be merged after https://github.com/Normation/rudder/pull/500.

This PR do some refactoring and remove the use of ${rudder.ruleId...} variable.

The main refactoring points are:
- use Map[NodeId, NodeInfo] to change find by get
- remove lookupRuleParameterization and its call sites
- change the way buildNodeConfigurations are built to make the process based on immutable datas