make hg mail more forgiving: create CL first, even if gofmt is needed or no reviewers listed.
make hg mail more forgiving:
create CL first, even if gofmt is needed
or no reviewers listed.

R=r
http://go/go-review/1025025

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