cherries.sh: update cherries and known gerrit accounts

Change-Id: I200fe2d8f8294a7cef1f8a9203013ff5a3d12fa8
Update Ovation dependencies

Change-Id: I3340cc451a3d2fa29eee5b4ecffc09622622245c
Every beginning has an end, PART 1...

Change-Id: Ic2e65ee324b947995e916b90157ce18cce06a6a1
Signed-off-by: Lokesh Chamane <lokesh.c703@gmail.com>