QmlDesigner: Change main.cpp in qmlpuppetmain.cpp

To better find it in the qt creator locator.

Change-Id: Icfc7b400ee972802471a7a52f8552bb0fd41acdb
Reviewed-by: Thomas Hartmann <Thomas.Hartmann@digia.com>
Force gray-antialiasing for text.

Subpixel antialiasing cannot be supported when rendering is done
to a transparent-cleared FBO.

Change-Id: I46eeac792416f6164521c9142a8b6cffbbddc99b
Reviewed-by: Marco Bubke <marco.bubke@digia.com>