basho/riak_core — pull request #433 by jrwest (2013-10-17 21:02:27+00:00)
Title: share segment store accross all nodes in hashtree_tree

this ensures that we don't create an unbounded number of segment
stores (leveldb databases), instead only creating one.

addresses #428

exports `hashtree:new/3` so that each level can still pass different size options