updated supervisor tests
formatting
in VersionedStore, always return a list from listDir
fix UI, fix remaining issues with multiple tasks / executor
optimized task setup so that 10s of thousands of tasks can be loaded in a single worker
fix zero executors
update changelog
only generate a root id for spout tuples participating in acking framework
optimize bolt emitting when there are no root anchors
further optimize unreliable spouts
remove reflection from refactoring
remove thread-safety from outputcollector in favor of major performance enhancements, esp to shuffle grouping
add missing MutableObject file
split DefaultScheduler into DefaultScheduler and EvenScheduler
switch receive queues to be disruptor queues instead of linkedblockingqueues. Appears to have a dramatic effect on CPU usage
switch transfer thread to use disruptor
fix incorrect placement of task id sanity check for spout acking
update changelog
optimize zmq code to be zero copy
validate recv more