Bugfixes
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4a256fc Fix: Segmented WAL's repair() failed in some cases
e6a3de2 WalTool: fix key-list bug
Enhancements / New Features
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e3b1275 Ignore duplicate Preempted messages
8308d1c Sirius should die in case of Config/WAL mismatch
359bf55 Walltool enhancments
(add key-list, key-list-filter; update replay, tail,
range, filter to work with legacy + segmented WALs)
Refactorings in prep for Scala 2.10 upgrade
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7631eee Introduce ClusterConfig trait and File-based impl
a48daa0 Revamp DeathWatch testing
aadfd9f Option up the ActorRef in MembershipAgent
05098e6 Add ClusterInfo for communicating cluster state