Maemo: Complete support for debugging via remote gdb.

1) Make sources available on device.
2) Enable users to switch between gdb and gdbserver approach (users may not be able to use the former if they have no control over their firewall).

Reviewed-by: kh1

src/plugins/qt4projectmanager/qt-maemo/maemoglobal.cpp

@@ -61,5 +61,10 @@ QString MaemoGlobal::remoteEnvironment(const QList<ProjectExplorer::EnvironmentI
     return env.mid(0, env.size() - 1);
 }
 
+QString MaemoGlobal::remoteProjectSourcesMountPoint()
+{
+    return QLatin1String("/tmp/gdbSourcesDir");
+}
+
 } // namespace Internal
 } // namespace Qt4ProjectManager