fix #852 detail of note is strange
Merge pull request #854 from mozilla-japan/bug852

fix #852 detail of note is strange
close #863 change style of header
Merge pull request #864 from mozilla-japan/task863

close #863 change style of header
close #857 change style of About
Merge pull request #865 from mozilla-japan/task857

close #857 change style of About
close #503 project の owner を group, user に変換できるように