Aurora-1106: Release candidate script does not generate correct branch link
Aurora-1106: Release candidate script does not generate correct branch link

Fixes broken links for release branch in release-candidate script.

Bugs closed: AURORA-1106

Reviewed at https://reviews.apache.org/r/33774/

thinker0/aurora,protochron/aurora,rdelval/aurora,medallia/aurora,crashlytics/aurora,rdelval/aurora,protochron/aurora,kidaa/aurora,medallia/aurora,kidaa/aurora,crashlytics/aurora,wfarner/aurora,kidaa/aurora,mschenck/aurora,rdelval/aurora,wfarner/aurora,crashlytics/aurora,thinker0/aurora,medallia/aurora,shahankhatch/aurora,wfarner/aurora,thinker0/aurora,thinker0/aurora,medallia/aurora,medallia/aurora,apache/aurora,apache/aurora,shahankhatch/aurora,rdelval/aurora,thinker0/aurora,wfarner/aurora,mschenck/aurora,crashlytics/aurora,mschenck/aurora,shahankhatch/aurora,protochron/aurora,protochron/aurora,rosmo/aurora,kidaa/aurora,shahankhatch/aurora,protochron/aurora,shahankhatch/aurora,rosmo/aurora,mschenck/aurora,mschenck/aurora,wfarner/aurora,rosmo/aurora,apache/aurora,apache/aurora,kidaa/aurora,rdelval/aurora,rosmo/aurora,protochron/aurora,rosmo/aurora,mschenck/aurora,apache/aurora,crashlytics/aurora,apache/aurora,crashlytics/aurora,shahankhatch/aurora,thinker0/aurora,rdelval/aurora,rosmo/aurora,kidaa/aurora,wfarner/aurora,medallia/aurora