spec: make all comparison results untyped bool
spec: make all comparison results untyped bool

Or, depending on your point of view, make the
comparisons satisfy any surrounding boolean type.

Also, fix a few foo_bar -> fooBar in code fragments.

Fixes issue 2561.

R=golang-dev, r, bradfitz, gri, iant, kevlar
CC=golang-dev
http://codereview.appspot.com/5671096

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