Added Arguments and Jarfile variables to the Install object which
are now being reflected into js.
Fixed how ExtractJarFile in Install was working
Hooked up to libjar.
** These changes are not part of the Tinderbox builds **
git-svn-id: svn://10.0.0.236/trunk@22605 18797224-902f-48f8-a5cc-f745e15eee43
