Debugger: Set breakpoints on actual locations in code

This fix sets moves breakpoints on commented lines to the next executable line.

Change-Id: Ie9ca8a7c6e0360ce4a916053ef7aedd1cc28484d
Reviewed-on: http://codereview.qt.nokia.com/3525


Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Christiaan Janssen <christiaan.janssen@nokia.com>