prometheus/prometheus — pull request #236 by matttproud (2013-05-10 14:42:17+00:00)
Title: [WIP] — Expose interfaces for pruner and make pruner tool.

In order to run database cleanups and diagnostics, we should have
a means for pruning a database---even if LevelDB does this for us.

This needs final Makefile glue, which can be done immediately.