[PATCH 098/153] Pin 3rdparty python libs to specific versions, split out Commons.
[PATCH 098/153] Pin 3rdparty python libs to specific versions, split out Commons.

RB_ID=207370

(sapling split of a96cbab526b1dc268cb3da1a7424d8b492a5fa1c)

nkhuyu/commons,Yasumoto/commons,cevaris/commons,abel-von/commons,WCCCEDU/twitter-commons,VaybhavSharma/commons,nkhuyu/commons,atollena/commons,pombredanne/commons,nkhuyu/commons,Yasumoto/commons,jsirois/commons,Yasumoto/commons,brutkin/commons,nkhuyu/commons,VaybhavSharma/commons,VaybhavSharma/commons,VaybhavSharma/commons,WCCCEDU/twitter-commons,ericzundel/commons,cevaris/commons,pombredanne/commons,ericzundel/commons,nkhuyu/commons,brutkin/commons,atollena/commons,jsirois/commons,pombredanne/commons,WCCCEDU/twitter-commons,pombredanne/commons,abel-von/commons,brutkin/commons,abel-von/commons,WCCCEDU/twitter-commons,ericzundel/commons,WCCCEDU/twitter-commons,brutkin/commons,atollena/commons,Yasumoto/commons,cevaris/commons,ericzundel/commons,cevaris/commons,brutkin/commons,jsirois/commons,VaybhavSharma/commons,cevaris/commons,atollena/commons,Yasumoto/commons,jsirois/commons,jsirois/commons,atollena/commons,abel-von/commons,abel-von/commons,ericzundel/commons,pombredanne/commons