Move anon icon tooltip text into translatable string

app/views/answerbox/_header.haml

@@ -24,7 +24,7 @@
                   View in Kontrollzentrum
       %h6.text-muted.media-heading.answerbox__question-user
         - if a.question.author_is_anonymous
-          %i.fa.fa-user-secret{ title: 'This question was asked anonymously' }
+          %i.fa.fa-user-secret{ title: t('.anon_hint') }
         = raw t('views.answerbox.asked', user: user_screen_name(a.question.user, context_user: a.user, anonymous: a.question.author_is_anonymous), time: time_tooltip(a.question))
         - if !a.question.author_is_anonymous && !a.question.direct
           ·

app/views/inbox/_entry.haml

@@ -7,7 +7,7 @@
       .media-body
         %h6.text-muted.media-heading.answerbox__question-user
           - if i.question.author_is_anonymous
-            %i.fa.fa-user-secret{ title: 'This question was asked anonymously' }
+            %i.fa.fa-user-secret{ title: t('.anon_hint') }
           = t(".asked_html", user: user_screen_name(i.question.user, context_user: i.user, anonymous: i.question.author_is_anonymous), time: time_tooltip(i.question))
           - if !i.question.author_is_anonymous && i.question.answer_count.positive?
             ·

config/locales/views.en.yml

@@ -12,6 +12,9 @@ en:
       title: "Create Announcement"
     edit:
       title: "Edit Announcement"
+  answerbox:
+    header:
+      anon_hint: :inbox.entry.anon_hint
   application:
     questionbox:
       title: "Ask something!"
@@ -48,6 +51,7 @@ en:
   inbox:
     entry:
       asked_html: "%{user} asked %{time} ago"
+      anon_hint: "This question was asked anonymously."
       answers:
         one: "1 answer"
         other: "%{count} answers"