Preliminary ObjectBrowser added to the TinQTConsole

*  CL:  244
*  The "Object Browser" window is populated from executing the command
"DebuggerListObjects();" on the target.
*  It populates a Qt tree hierarchy, cleaner than the text output from
"ListObjects()"
*  There isn't any further functionality yet, but once the "Object
Inspector" window is available, we'll be able to set the object to
inspect from the browser, or open up a watch, etc...