Introduce LogoutTitle message constructor

`LogoutTitle` is a replacement for `Logout` constructor, the latter is
inconsistent with `LoginTitle` constructor name.
Added `DEPRECATED` pragma to warn users about this change.

yesod-auth/Yesod/Auth/Message.hs

@@ -62,7 +62,9 @@ data AuthMessage =
     | PasswordResetPrompt
     | InvalidUsernamePass
     | Logout
+    | LogoutTitle
     | AuthError
+{-# DEPRECATED Logout "Please, use LogoutTitle instead." #-}
 
 -- | Defaults to 'englishMessage'.
 defaultMessage :: AuthMessage -> Text
@@ -111,6 +113,7 @@ englishMessage PasswordResetPrompt = "Enter your e-mail address or username belo
 englishMessage InvalidUsernamePass = "Invalid username/password combination"
 englishMessage (IdentifierNotFound ident) = "Login not found: " `mappend` ident
 englishMessage Logout = "Log Out"
+englishMessage LogoutTitle = "Log Out"
 englishMessage AuthError = "Authentication Error" -- FIXME by Google Translate
 
 portugueseMessage :: AuthMessage -> Text
@@ -157,6 +160,7 @@ portugueseMessage InvalidUsernamePass = "Nome de usuário ou senha inválidos"
 -- TODO
 portugueseMessage i@(IdentifierNotFound _) = englishMessage i
 portugueseMessage Logout = "Sair" -- FIXME by Google Translate
+portugueseMessage LogoutTitle = "Sair" -- FIXME by Google Translate
 portugueseMessage AuthError = "Erro de autenticação" -- FIXME by Google Translate
 
 spanishMessage :: AuthMessage -> Text
@@ -203,6 +207,7 @@ spanishMessage InvalidUsernamePass = "Combinación de nombre de usuario/contrase
 -- TODO
 spanishMessage i@(IdentifierNotFound _) = englishMessage i
 spanishMessage Logout = "Finalizar la sesión" -- FIXME by Google Translate
+spanishMessage LogoutTitle = "Finalizar la sesión" -- FIXME by Google Translate
 spanishMessage AuthError = "Error de autenticación" -- FIXME by Google Translate
 
 swedishMessage :: AuthMessage -> Text
@@ -250,6 +255,7 @@ swedishMessage InvalidUsernamePass = "Ogiltig kombination av användarnamn och l
 -- TODO
 swedishMessage i@(IdentifierNotFound _) = englishMessage i
 swedishMessage Logout = "Loggar ut" -- FIXME by Google Translate
+swedishMessage LogoutTitle = "Loggar ut" -- FIXME by Google Translate
 swedishMessage AuthError = "Autentisering Fel" -- FIXME by Google Translate
 
 germanMessage :: AuthMessage -> Text
@@ -296,6 +302,7 @@ germanMessage InvalidUsernamePass = "Ungültige Kombination aus Nutzername und P
 -- TODO
 germanMessage i@(IdentifierNotFound _) = englishMessage i
 germanMessage Logout = "Ausloggen" -- FIXME by Google Translate
+germanMessage LogoutTitle = "Ausloggen" -- FIXME by Google Translate
 germanMessage AuthError = "Authorisierungsfehler" -- FIXME by Google Translate
 
 frenchMessage :: AuthMessage -> Text
@@ -341,6 +348,7 @@ frenchMessage PasswordResetPrompt = "Entrez votre courriel ou votre nom d'utilis
 frenchMessage InvalidUsernamePass = "La combinaison de ce mot de passe et de ce nom d'utilisateur n'existe pas."
 frenchMessage (IdentifierNotFound ident) = "Nom d'utilisateur introuvable: " `mappend` ident
 frenchMessage Logout = "Déconnexion"
+frenchMessage LogoutTitle = "Déconnexion"
 frenchMessage AuthError = "Erreur d'authentification" -- FIXME by Google Translate
 
 norwegianBokmålMessage :: AuthMessage -> Text
@@ -387,6 +395,7 @@ norwegianBokmålMessage InvalidUsernamePass = "Invalid username/password combina
 -- TODO
 norwegianBokmålMessage i@(IdentifierNotFound _) = englishMessage i
 norwegianBokmålMessage Logout = "Logge ut" -- FIXME by Google Translate
+norwegianBokmålMessage LogoutTitle = "Logge ut" -- FIXME by Google Translate
 norwegianBokmålMessage AuthError = "Godkjenningsfeil" -- FIXME by Google Translate
 
 japaneseMessage :: AuthMessage -> Text
@@ -433,6 +442,7 @@ japaneseMessage InvalidUsernamePass = "ユーザ名とパスワードの組み
 japaneseMessage (IdentifierNotFound ident) =
   ident `mappend` "は登録されていません"
 japaneseMessage Logout = "ログアウト" -- FIXME by Google Translate
+japaneseMessage LogoutTitle = "ログアウト" -- FIXME by Google Translate
 japaneseMessage AuthError = "認証エラー" -- FIXME by Google Translate
 
 finnishMessage :: AuthMessage -> Text
@@ -480,6 +490,7 @@ finnishMessage InvalidUsernamePass = "Virheellinen käyttäjänimi tai salasana.
 -- TODO
 finnishMessage i@(IdentifierNotFound _) = englishMessage i
 finnishMessage Logout = "Kirjaudu ulos" -- FIXME by Google Translate
+finnishMessage LogoutTitle = "Kirjaudu ulos" -- FIXME by Google Translate
 finnishMessage AuthError = "Authentication Error" -- FIXME by Google Translate
 
 chineseMessage :: AuthMessage -> Text
@@ -526,6 +537,7 @@ chineseMessage InvalidUsernamePass = "无效的用户名/密码组合"
 -- TODO
 chineseMessage i@(IdentifierNotFound _) = englishMessage i
 chineseMessage Logout = "註銷" -- FIXME by Google Translate
+chineseMessage LogoutTitle = "註銷" -- FIXME by Google Translate
 chineseMessage AuthError = "验证错误" -- FIXME by Google Translate
 
 czechMessage :: AuthMessage -> Text
@@ -570,6 +582,7 @@ czechMessage InvalidUsernamePass = "Neplatná kombinace uživatelského jména a
 -- TODO
 czechMessage i@(IdentifierNotFound _) = englishMessage i
 czechMessage Logout = "Odhlásit" -- FIXME by Google Translate
+czechMessage LogoutTitle = "Odhlásit" -- FIXME by Google Translate
 czechMessage AuthError = "Chyba ověřování" -- FIXME by Google Translate
 
 -- Так как e-mail – это фактическое сокращение словосочетания electronic mail,
@@ -617,6 +630,7 @@ russianMessage PasswordResetPrompt = "Введите адрес эл.почты
 russianMessage InvalidUsernamePass = "Неверное сочетание имени пользователя и пароля"
 russianMessage (IdentifierNotFound ident) = "Логин не найден: " `mappend` ident
 russianMessage Logout = "Выйти"
+russianMessage LogoutTitle = "Выйти"
 russianMessage AuthError = "Ошибка аутентификации"
 
 dutchMessage :: AuthMessage -> Text
@@ -662,4 +676,5 @@ dutchMessage PasswordResetPrompt = "Voer uw e-mailadres of gebruikersnaam hieron
 dutchMessage InvalidUsernamePass = "Ongeldige gebruikersnaam/wachtwoord combinatie"
 dutchMessage (IdentifierNotFound ident) = "Inloggegevens niet gevonden: " `mappend` ident
 dutchMessage Logout = "Log Out" -- FIXME NOT TRANSLATED
+dutchMessage LogoutTitle = "Log Out" -- FIXME NOT TRANSLATED
 dutchMessage AuthError = "Verificatiefout" -- FIXME by Google Translate