prometheus/prometheus — pull request #189 by bernerdschaefer (2013-04-25 10:22:13+00:00)
Title: Build info and startup friendliness

In response to #178, this:

* Captures build information -- currently: revision, branch, user@hostname, date, and go, leveldb, protobuf, and snappy version.
* Adds `-version` flag to print build info
* Adds build info to `/status` handler
* Adds flags to `/status` handler
* Prints listen address when web handler starts