hg: icedtea/jdk7/jdk: Support including IcedTea, distribution name and hg revisions in version output.

[ahughes at redhat.com]

Changeset: cd86da3affff
Author:    andrew
Date:      2010-01-08 21:55 +0000
URL:       http://hg.openjdk.java.net/icedtea/jdk7/jdk/rev/cd86da3affff

Support including IcedTea, distribution name and hg revisions in version output.

! make/common/shared/Defs.gmk
! make/java/version/Makefile
! src/share/classes/sun/misc/Version.java.template