hg: jdk8/build/hotspot: Added tag jdk8-b28 for changeset b183b0863611

[david . katleman]

Changeset: 610674484669
Author:    katleman
Date:      2012-03-01 12:23 -0800
URL:       http://hg.openjdk.java.net/jdk8/build/hotspot/rev/610674484669

Added tag jdk8-b28 for changeset b183b0863611

! .hgtags