[split] Birdcage: Bump guava to 15.0 - Bump guava to 15.0 - Synchronize bijection versions, and comment on the twitter/public bijection split
[split] Birdcage: Bump guava to 15.0 - Bump guava to 15.0 - Synchronize bijection versions, and comment on the twitter/public bijection split

Corresponds to science review https://reviewboard.twitter.biz/r/263149/

RB_ID=263101

pnambiarsf/scrooge,tellapart/scrooge,benhoyt/scrooge,thirstycrow/scrooge,thirstycrow/scrooge,nshkrob/scrooge,benhoyt/scrooge,pnambiarsf/scrooge,travisbrown/scrooge,benhoyt/scrooge,nkhuyu/scrooge,twitter/scrooge,VisualDNA/scrooge,tellapart/scrooge,nkhuyu/scrooge,twitter/scrooge,elipoz/scrooge,benhoyt/scrooge,nshkrob/scrooge,travisbrown/scrooge,VisualDNA/scrooge,travisbrown/scrooge,pnambiarsf/scrooge,elipoz/scrooge,eirslett/scrooge,tellapart/scrooge,VisualDNA/scrooge,eirslett/scrooge,elipoz/scrooge,twitter/scrooge,nkhuyu/scrooge,benhoyt/scrooge,thirstycrow/scrooge,tellapart/scrooge,twitter/scrooge,travisbrown/scrooge,eirslett/scrooge,thirstycrow/scrooge,thirstycrow/scrooge,VisualDNA/scrooge,nkhuyu/scrooge,pnambiarsf/scrooge,nshkrob/scrooge,pnambiarsf/scrooge,eirslett/scrooge,nkhuyu/scrooge