change contrib pom to 2-incubator-SNAPSHOT so that Hudson build can deploy it
change contrib pom to 2-incubator-SNAPSHOT so that Hudson build can deploy it

git-svn-id: c3eb811ccca381e673aa62a65336ec26649ed58c@774739 13f79535-47bb-0310-9956-ffa450edef68

codders/k2-sling-fork,codders/k2-sling-fork,codders/k2-sling-fork