codereview.py: do not suggest hg change -d if current user is not CL author
codereview.py: do not suggest hg change -d if current user is not CL author

R=golang-dev, rsc1, rsc
CC=golang-dev
http://codereview.appspot.com/4253064

Committer: Russ Cox <5ad239cb8a44f659eaaee0aa1ea5b94947abe557@golang.org>

npe9/noahevans-go9,scirelli/scirelli-go,sanjosh/sanjos100-tipc,glycerine/jeaten-go-arrayof-structof,Triskite/willstone-goclone,rflanagan/reginaldflanagan-project1,Triskite/willstone-goclone,d0f/go-zh,d0f/go-zh,glycerine/jeaten-go-arrayof-structof,Triskite/willstone-goclone,rdp/rogerpack2005-golang,Triskite/willstone-goclone,webfd/go-zh,bryanxu/go-zh,glycerine/jeaten-go-arrayof-structof,npe9/noahevans-go9,npe9/noahevans-go9,scirelli/scirelli-go,mhennings/marcohennings-go,webfd/go-zh,scirelli/scirelli-go,webfd/go-zh,d0f/go-zh,rdp/rogerpack2005-golang,webfd/go-zh,bryanxu/go-zh,rflanagan/reginaldflanagan-project1,sanjosh/sanjos100-tipc,glycerine/jeaten-go-arrayof-structof,rdp/rogerpack2005-golang,bryanxu/go-zh,mhennings/marcohennings-go,scirelli/scirelli-go,scirelli/scirelli-go,glycerine/jeaten-go-arrayof-structof,rdp/rogerpack2005-golang,rflanagan/reginaldflanagan-project1,d0f/go-zh,webfd/go-zh,mhennings/marcohennings-go,d0f/go-zh,rdp/rogerpack2005-golang,mhennings/marcohennings-go,sanjosh/sanjos100-tipc,sanjosh/sanjos100-tipc,sanjosh/sanjos100-tipc,rdp/rogerpack2005-golang,npe9/noahevans-go9,mhennings/marcohennings-go,bryanxu/go-zh,rdp/rogerpack2005-golang,mhennings/marcohennings-go,scirelli/scirelli-go,Triskite/willstone-goclone,Triskite/willstone-goclone,rflanagan/reginaldflanagan-project1,bryanxu/go-zh,rflanagan/reginaldflanagan-project1,rflanagan/reginaldflanagan-project1,sanjosh/sanjos100-tipc,webfd/go-zh,webfd/go-zh,glycerine/jeaten-go-arrayof-structof,rflanagan/reginaldflanagan-project1,bryanxu/go-zh,npe9/noahevans-go9,d0f/go-zh,mhennings/marcohennings-go,npe9/noahevans-go9,mhennings/marcohennings-go,bryanxu/go-zh,d0f/go-zh,scirelli/scirelli-go,Triskite/willstone-goclone,d0f/go-zh,npe9/noahevans-go9,rflanagan/reginaldflanagan-project1,scirelli/scirelli-go,webfd/go-zh,rdp/rogerpack2005-golang,glycerine/jeaten-go-arrayof-structof,sanjosh/sanjos100-tipc,glycerine/jeaten-go-arrayof-structof,Triskite/willstone-goclone,npe9/noahevans-go9,bryanxu/go-zh,sanjosh/sanjos100-tipc