refs #107 add twitter authenticate link
refs #108 delete bootstrap.js.coffee
refs #107 modified spec of twitter link
refs #109 add library to add authority of administrator
refs #106 modified brand spec
refs #121 add the profile page
Merge branch 'develop' of https://github.com/kaekasui/learning_ip into develop
refs #109 add admin page
refs #109 add the admin menu space
refs #109 administrator authority
refs #101 add the feature test to sign out
refs #49 delete link of withdrawal
refs #49 display the profile page
refs #99 delete home/index.html.erb page
refs #101 add feature test to sign in
refs #121 add the profile edit page
refs #122 'rails generate mailer NoticeMailer sendmail_confirm'
refs #122 send mail by the console
refs #122 'rails generate migration AddVirtualEmailToUser virtual_email'
refs #121, refs #122 add the profile page, edit the profile and send mail