1. Fix the image display issue on GitHub; 2. Add the installation of git-review on RHEL; Change-Id: Ieaf3b8066284c2d2daf37b0a1d898bc241c82a7f
Change-Id: I17fa14d7917cdcc1bae21c22b1bc57bd2faa2b79
Change-Id: Id2cc0115fed140849757d6fc0da97414c9cb69d0