hg: code-tools/jmh: Further touchups in JSON result format.

[aleksey.shipilev at oracle.com]

Changeset: bebece85774c
Author:    shade
Date:      2013-11-25 21:29 +0400
URL:       http://hg.openjdk.java.net/code-tools/jmh/rev/bebece85774c

Further touchups in JSON result format.

! jmh-core/src/main/java/org/openjdk/jmh/output/results/JSONResultFormat.java