pom.xml: update serialization to 2.0.0
pom.xml: update serialization to 2.0.0

Signed-off-by: Pierre-Alexandre Meyer <ff019a5748a52b5641624af88a54a2f0e46a9fb5@ning.com>

ning/collector,ning/collector,pierre/collector,pierre/collector,pierre/collector,ning/collector,pierre/collector,pierre/collector,pierre/collector,ning/collector,ning/collector