apache/thrift — pull request #315 by littletiny (2014-12-11 06:27:28+00:00)
Title: fix c++ version zeromq transport, the old version cannot work

fix c++ version zeromq transport, the old version cannot work
we need to override
```
TTransport::write_virt TTransport::read_virt
```
instead of
```
TTransport::write TTransport::read
```