Add 'none' to the list of Thrift reserved keywords
Add 'none' to the list of Thrift reserved keywords

Summary: None will break Python thrift clients since it is a reserved python keyword.

Test Plan: Build the thrift compiler package.

Reviewed By: haijunz@fb.com

Subscribers: alandau, mshneer

FB internal diff: D1670315

Tasks: 5570728

Signature: t1:1670315:1415649587:67803439f4b1a99b9218f95ecc942c8ce5cc1e16

raphaelamorim/fbthrift,Orvid/fbthrift,HankFaan/fbthrift,maxwell-demon/fbthrift,fengshao0907/fbthrift,getyourguide/fbthrift,HankFaan/fbthrift,jesboat/fbthrift,chjp2046/fbthrift,raphaelamorim/fbthrift,uber/fbthrift,guker/fbthrift,getyourguide/fbthrift,project-zerus/fbthrift,HankFaan/fbthrift,getyourguide/fbthrift,guker/fbthrift,guker/fbthrift,project-zerus/fbthrift,kangkot/fbthrift,raphaelamorim/fbthrift,HankFaan/fbthrift,kangkot/fbthrift,soumith/fbthrift,sinjar666/fbthrift,guker/fbthrift,soumith/fbthrift,Orvid/fbthrift,project-zerus/fbthrift,sinjar666/fbthrift,guker/fbthrift,fengshao0907/fbthrift,getyourguide/fbthrift,HankFaan/fbthrift,maxwell-demon/fbthrift,soumith/fbthrift,LinusU/fbthrift,SergeyMakarenko/fbthrift,jesboat/fbthrift,SergeyMakarenko/fbthrift,jesboat/fbthrift,LinusU/fbthrift,sinjar666/fbthrift,kangkot/fbthrift,uber/fbthrift,getyourguide/fbthrift,raphaelamorim/fbthrift,LinusU/fbthrift,Orvid/fbthrift,jesboat/fbthrift,SergeyMakarenko/fbthrift,chjp2046/fbthrift,getyourguide/fbthrift,chjp2046/fbthrift,raphaelamorim/fbthrift,jesboat/fbthrift,facebook/fbthrift,project-zerus/fbthrift,maxwell-demon/fbthrift,facebook/fbthrift,kangkot/fbthrift,uber/fbthrift,sinjar666/fbthrift,Orvid/fbthrift,raphaelamorim/fbthrift,soumith/fbthrift,jesboat/fbthrift,chjp2046/fbthrift,Orvid/fbthrift,Orvid/fbthrift,project-zerus/fbthrift,jesboat/fbthrift,Orvid/fbthrift,uber/fbthrift,sinjar666/fbthrift,project-zerus/fbthrift,HankFaan/fbthrift,uber/fbthrift,raphaelamorim/fbthrift,sinjar666/fbthrift,sinjar666/fbthrift,maxwell-demon/fbthrift,SergeyMakarenko/fbthrift,LinusU/fbthrift,SergeyMakarenko/fbthrift,chjp2046/fbthrift,HankFaan/fbthrift,raphaelamorim/fbthrift,chjp2046/fbthrift,facebook/fbthrift,fengshao0907/fbthrift,jesboat/fbthrift,soumith/fbthrift,uber/fbthrift,chjp2046/fbthrift,chjp2046/fbthrift,soumith/fbthrift,LinusU/fbthrift,getyourguide/fbthrift,getyourguide/fbthrift,uber/fbthrift,Orvid/fbthrift,soumith/fbthrift,raphaelamorim/fbthrift,project-zerus/fbthrift,SergeyMakarenko/fbthrift,HankFaan/fbthrift,jesboat/fbthrift,kangkot/fbthrift,guker/fbthrift,getyourguide/fbthrift,sinjar666/fbthrift,SergeyMakarenko/fbthrift,SergeyMakarenko/fbthrift,Orvid/fbthrift,fengshao0907/fbthrift,guker/fbthrift,chjp2046/fbthrift,kangkot/fbthrift,kangkot/fbthrift,project-zerus/fbthrift,fengshao0907/fbthrift,soumith/fbthrift,chjp2046/fbthrift,project-zerus/fbthrift,kangkot/fbthrift,raphaelamorim/fbthrift,soumith/fbthrift,fengshao0907/fbthrift,uber/fbthrift,fengshao0907/fbthrift,fengshao0907/fbthrift,uber/fbthrift,HankFaan/fbthrift,maxwell-demon/fbthrift,Orvid/fbthrift,maxwell-demon/fbthrift,HankFaan/fbthrift,soumith/fbthrift,maxwell-demon/fbthrift,project-zerus/fbthrift,facebook/fbthrift,sinjar666/fbthrift,uber/fbthrift,fengshao0907/fbthrift,chjp2046/fbthrift,jesboat/fbthrift,LinusU/fbthrift,SergeyMakarenko/fbthrift,kangkot/fbthrift,raphaelamorim/fbthrift,getyourguide/fbthrift,maxwell-demon/fbthrift,getyourguide/fbthrift,kangkot/fbthrift,project-zerus/fbthrift,getyourguide/fbthrift,facebook/fbthrift,LinusU/fbthrift,guker/fbthrift,HankFaan/fbthrift,guker/fbthrift,LinusU/fbthrift,maxwell-demon/fbthrift,SergeyMakarenko/fbthrift,fengshao0907/fbthrift,facebook/fbthrift,facebook/fbthrift,soumith/fbthrift,Orvid/fbthrift,chjp2046/fbthrift,facebook/fbthrift,SergeyMakarenko/fbthrift,maxwell-demon/fbthrift,fengshao0907/fbthrift,kangkot/fbthrift,jesboat/fbthrift,sinjar666/fbthrift,LinusU/fbthrift,maxwell-demon/fbthrift,LinusU/fbthrift,guker/fbthrift,jesboat/fbthrift,facebook/fbthrift,LinusU/fbthrift,sinjar666/fbthrift,uber/fbthrift,guker/fbthrift,SergeyMakarenko/fbthrift,uber/fbthrift,project-zerus/fbthrift