root/pypi: links for samflow

root/pypi Samflow-0.21.tar.gz
root/pypi Samflow-0.21.macosx-10.9-intel.exe
root/pypi Samflow-0.3.tar.gz
root/pypi Samflow-0.3.macosx-10.9-intel.exe
root/pypi Samflow-0.2.tar.gz
root/pypi Samflow-0.2.macosx-10.9-intel.exe