* Updating instances of FreeCAD's old logo to reflect the new Logo
* updating additional instances of the Logo
* updating additional instances of the Logo
* Update logo for windows installer
* Update logo reference to /src/Gui/Icons/freecad.svg
- everything that is part of the drawing should be plain SVG (strictly following the SVG specification) to assure that every SVG program can handle it (e.g. Internet browsers).
The hatch patterns however contained old stuff like traces of Sodipodi that might be a problem in the future.
