When running outside of a shell, output should open the View -> Console window

[cxbrooks]

Note: the issue was created automatically with bugzilla2github tool

Original bug ID: BZ#541
From: @cxbrooks
Reported version: 11.0.devel
CC: pt-dev@chess.eecs.berkeley.edu

[cxbrooks]

If Ptolemy II is started by clicking on an icon as opposed to started by running inside a Bash shell, then if there is output to stdout or stderr, we should consider opening the View -> Console window automatically.