[7u6] Request for approval for 7123582 (7148499): (launcher) display the -version and -XshowSettings

[Seán Coffey]

Request for approval to backport following changes to 7u6 repo.
The changes are identical to those in jdk8 changesets : (bar the 
Problemlist.txt update)

http://hg.openjdk.java.net/jdk8/tl/jdk/rev/8952a5f494f9 (7123582)
http://hg.openjdk.java.net/jdk8/tl/jdk/rev/bd43a6f59c9b (7148499)

http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=7123582
http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=7148499

I'm including 7148499 in request since it's a simple update to same 
testcase.

regards,
Sean.