Revert "Incrementing snapshot version to 0.13.0-SNAPSHOT."
Revert "Incrementing snapshot version to 0.13.0-SNAPSHOT."

This reverts commit 81722a9e700641f5b435e97c1cbb38d7eed4e98c.

protochron/aurora,rdelval/aurora,apache/aurora,medallia/aurora,crashlytics/aurora,apache/aurora,medallia/aurora,crashlytics/aurora,apache/aurora,crashlytics/aurora,rdelval/aurora,thinker0/aurora,protochron/aurora,medallia/aurora,apache/aurora,medallia/aurora,crashlytics/aurora,protochron/aurora,apache/aurora,rdelval/aurora,protochron/aurora,thinker0/aurora,crashlytics/aurora,thinker0/aurora,rdelval/aurora,medallia/aurora,apache/aurora,thinker0/aurora,medallia/aurora,thinker0/aurora,crashlytics/aurora,protochron/aurora,thinker0/aurora,rdelval/aurora,rdelval/aurora,protochron/aurora