python3 support for easyOVS

[haojue]

Hi @yeasy ,

I have some initial changes of python3 support for easyOVS, could you please add me as collaborators?Thanks

[yeasy]

Feel free to send PR. Thanks!

[haojue]

Feel free to send PR. Thanks!

Thank you @yeasy ! I created one PR and made some changes per your comments:) BTW: I personally met you in Oracle China, we three onboard Oracle the same day back in August 2017... Seems you are in US now, good for you:)