STORM-352: fix logic for writing offsets to ZooKeeper
rollback poms for 0.9.2-incubating re-release
Merge branch 'STORM-352'
[maven-release-plugin] prepare release v0.9.2-incubating
[maven-release-plugin] prepare for next development iteration
fix readme links to point to storm website rather than old wiki
Merge remote-tracking branch 'upstream/master' into master_mt