Set's the background using the image from svn, we should modify it to include OSGeo logo too.
Set's the background using the image from svn, we should modify it to include OSGeo logo too.

git-svn-id: 0078f79ef0c13d8ca30f49297e7ed6c465429331@2052 7da46fd8-bd2a-0410-a152-cf9810cf5b10

OSGeo/OSGeoLive,astroidex/OSGeoLive,guygriffiths/OSGeoLive,kalxas/OSGeoLive,guygriffiths/OSGeoLive,PascalLike/OSGeoLive,PascalLike/OSGeoLive,PascalLike/OSGeoLive,PascalLike/OSGeoLive,OSGeo/OSGeoLive,PascalLike/OSGeoLive,OSGeo/OSGeoLive,kalxas/OSGeoLive,kalxas/OSGeoLive,OSGeo/OSGeoLive,guygriffiths/OSGeoLive,guygriffiths/OSGeoLive,astroidex/OSGeoLive,kalxas/OSGeoLive,OSGeo/OSGeoLive,guygriffiths/OSGeoLive,astroidex/OSGeoLive,PascalLike/OSGeoLive,guygriffiths/OSGeoLive,guygriffiths/OSGeoLive,OSGeo/OSGeoLive,astroidex/OSGeoLive,astroidex/OSGeoLive,kalxas/OSGeoLive,kalxas/OSGeoLive,OSGeo/OSGeoLive,kalxas/OSGeoLive,astroidex/OSGeoLive,PascalLike/OSGeoLive