add original /src/pkg/os/doc.go #51
Merge pull request #52 from t-yuki/master

doc/cmd.html: translate and initial import.
translated. #51
remove doc.go. add file.go #51
remove vars and methods from file.go #51
translated file.go. #51
added src/pkg/go/build/doc.go #54
fit some words to dictionary #51
Merge pull request #53 from ucho/issue/51

add src/pkg/os/file.go #51
doc/contrib.html: update links, mailing lists and link to 1.3 release
note.

https://code.google.com/p/go/source/browse/doc/contrib.html?r=de014d3583bbb3fa4056f3e40381fcff7b9a9738
Merge pull request #55 from gophersjp/doc/contrib.html

doc/contrib.html: update links, mailing lists and link to 1.3 release note.
translated src/pkg/go/build/doc.go #54
src/pkg/go/build/doc.go: apply comments at #57. refs #54
Merge pull request #57 from ucho/issue/54

src/pkg/go/build/doc.go: add translate 

refs #54 #57