root/pypi: links for aliyun-mns-sdk

root/pypi aliyun-mns-sdk-1.2.1.tar.gz
root/pypi aliyun-mns-sdk-1.2.0.tar.gz
root/pypi aliyun-mns-sdk-1.1.6.tar.gz
root/pypi aliyun-mns-sdk-1.1.5.tar.gz