store alternateId, refactor messages to take a toType
finish off alternateId implementation
don't alt broadcast to yourself and more useful warning than a class cast exception
tweaks for multi-tetrapod-on-one-machine testing: optionally delete logs before each run, add localhost as a cluster member, make flash policy server set its port from a property
Merge branch 'alternateId' into dev
fix regression always returning a redirect instead of a proper success payload