Enable attaching to console processes

The pid is not immediately set for console processes.
setApplicationHandle needs to be called in response to the
ConsoleProcess::processStarted signal.

Change-Id: I957d829936c33eff004f348a832d95f50b909016
Reviewed-on: http://codereview.qt.nokia.com/3491


Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: hjk <qthjk@ovi.com>