Fix -bindAddress handling in JUnitShell.  To preserve existing
behavior without rearchitecting JUnitShell and the RunStyles,
we disallow -bindAddress in JUnitShell and pretend it was always
as if -bindAddress 0.0.0.0 was given.

Patch by: jat
Review by: jlabanca


git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@7454 8db76d5a-ed1c-0410-87a9-c151d255dfc7