Send heartbeats from leaders to keep their leadership
Update node shutdown sequence to make more sense
Removing locking on *out*
Starting to move queue to vnode
Declare the queue
Spacing
Cleanup
Merge claims with nil start and end
Fix task/merge-by
Add accept-newer-epoch check to heartbeat
Merge remote-tracking branch 'factual/master' into leader-stability

Conflicts:
	src/skuld/vnode.clj
Add temporary debugging
Merge pull request #98 from eric/queue-per-vnode

Queue per vnode
Merge pull request #95 from eric/leader-stability

Send heartbeats from leaders to keep their leadership
Merge pull request #97 from eric/fix-task-merge

Merge claims with nil start and end
Fix formatting mistakes