Revert "Switched StatsD to counter."
Revert "Switched StatsD to counter."

This reverts commit 590ebfa00e5251a46e2f55384c8684e08fcffb88.

We implement the metrics internally as counters but want StatsD to
accept whatever value we emit without summing it, so we designate
the metrics as gauges.

jemc/rubinius,jsyeo/rubinius,jemc/rubinius,dblock/rubinius,jemc/rubinius,jsyeo/rubinius,kachick/rubinius,jemc/rubinius,Azizou/rubinius,digitalextremist/rubinius,Wirachmat/rubinius,Azizou/rubinius,jemc/rubinius,sferik/rubinius,Azizou/rubinius,heftig/rubinius,dblock/rubinius,ngpestelos/rubinius,ngpestelos/rubinius,ngpestelos/rubinius,ngpestelos/rubinius,digitalextremist/rubinius,heftig/rubinius,digitalextremist/rubinius,Wirachmat/rubinius,benlovell/rubinius,kachick/rubinius,Azizou/rubinius,dblock/rubinius,heftig/rubinius,kachick/rubinius,jemc/rubinius,ngpestelos/rubinius,jsyeo/rubinius,ngpestelos/rubinius,kachick/rubinius,benlovell/rubinius,Wirachmat/rubinius,ngpestelos/rubinius,Azizou/rubinius,digitalextremist/rubinius,jsyeo/rubinius,sferik/rubinius,jsyeo/rubinius,sferik/rubinius,kachick/rubinius,jemc/rubinius,heftig/rubinius,Azizou/rubinius,kachick/rubinius,Wirachmat/rubinius,benlovell/rubinius,benlovell/rubinius,Wirachmat/rubinius,jsyeo/rubinius,sferik/rubinius,benlovell/rubinius,Wirachmat/rubinius,digitalextremist/rubinius,heftig/rubinius,digitalextremist/rubinius,Wirachmat/rubinius,benlovell/rubinius,dblock/rubinius,jsyeo/rubinius,sferik/rubinius,dblock/rubinius,sferik/rubinius,digitalextremist/rubinius,kachick/rubinius,Azizou/rubinius,heftig/rubinius,sferik/rubinius,heftig/rubinius,kachick/rubinius,dblock/rubinius,benlovell/rubinius,dblock/rubinius