hg: code-tools/jmh: Force @Group(<tag>) tag to be valid Java identifier, to evade some nasty collisions.

[aleksey.shipilev at oracle.com]

Changeset: 90631ae36974
Author:    shade
Date:      2013-09-26 21:05 +0400
URL:       http://hg.openjdk.java.net/code-tools/jmh/rev/90631ae36974

Force @Group(<tag>) tag to be valid Java identifier, to evade some nasty collisions.

- jmh-core-it/src/test/java/org/openjdk/jmh/it/compile/GroupLabelTest.java
! jmh-core/src/main/java/org/openjdk/jmh/annotations/Group.java
! jmh-core/src/main/java/org/openjdk/jmh/processor/internal/GenerateMicroBenchmarkProcessor.java