Update config-module-archetype.

Increase config version to 0.2.5-SNAPSHOT.
Add sal code generator as netconf relies on YangModuleInfo.
Fix generated pom to be able to install the artifact.

Change-Id: I09b6460615aa9788a9be5819707b923b2d340a9e
Signed-off-by: Tomas Olvecky <tolvecky@cisco.com>
Merge "Update config-module-archetype."