* cc/cherry-pick-series:
Documentation/revert: describe passing more than one commit
Documentation/cherry-pick: describe passing more than one commit
revert: add tests to check cherry-picking many commits
revert: allow cherry-picking more than one commit
revert: change help_msg() to take no argument
revert: refactor code into a do_pick_commit() function
revert: use run_command_v_opt() instead of execv_git_cmd()
revert: cleanup code for -x option