Fix uploading binary wheel.
Fix uploading binary wheel.

The script now takes two prompt for user name and password. One single
input redirection no longer works.

google/protobuf,google/protobuf,google/protobuf,google/protobuf,google/protobuf,google/protobuf,google/protobuf,google/protobuf,google/protobuf,google/protobuf,google/protobuf