gitrb, gitrbo: Recreate git rebase helpers
gitrb, gitrbo: Recreate git rebase helpers

Change-Id: If25eeb257dfff33ce0a5ab7336af5b0a6548b94f
Signed-off-by: Adrian DC <01fb3892f39957945220431e7409156544d2f041@gmail.com>

AdrianDC/android_development_shell_tools,AdrianDC/android_development_shell_tools