[GFX] Saros logo as plain SVG file (instead of Inkscape SVG)

Change-Id: I46a31d9a6ea2fb2caf481420e7a0b7748bed5cbe
Reviewed-on: http://saros-build.imp.fu-berlin.de/gerrit/1990
Reviewed-by: Franz Zieris <zieris@inf.fu-berlin.de>
Tested-by: Franz Zieris <zieris@inf.fu-berlin.de>