Revert "BUILD SCRIPT ONLY: Disable 5_BRANCH rebasing"
Revert "BUILD SCRIPT ONLY: Disable 5_BRANCH rebasing"

This reverts commit 86aa637d72f9fd920abc800e63e45a2ba73828fc.

gytis/narayana,mmusgrov/narayana,mmusgrov/narayana,gytis/narayana,jbosstm/narayana,jbosstm/narayana,mmusgrov/narayana,gytis/narayana,tomjenkinson/narayana,gytis/narayana,gytis/narayana,tomjenkinson/narayana,jbosstm/narayana,jbosstm/narayana,tomjenkinson/narayana,mmusgrov/narayana,gytis/narayana,tomjenkinson/narayana