basho/yokozuna — pull request #405 by rzezeski (2014-06-23 20:35:28+00:00)
Title: When clearing a tree clear its stats too

When a tree is cleared (erased from disk) the corresponding build
status should also be reset. That is, the `riak-admin search
aae-status` command should display `--` for the last time the tree was
built since it is _not_ built.