root/pypi: links for osgeo4w-installer

root/pypi osgeo4w_installer-1.4.0.tar.gz
root/pypi osgeo4w_installer-1.3.3.tar.gz
root/pypi osgeo4w_installer-1.3.2.tar.gz
root/pypi osgeo4w_installer-1.3.1.tar.gz
root/pypi osgeo4w_installer-1.3.0.tar.gz