made 'start sharing' translatable

app/views/people/_person.html.haml

@@ -12,7 +12,7 @@
     - elsif (contact && contact.pending) || request
       = t('.pending_request')
     - else
-      = link_to "start sharing",
+      = link_to t('people.show.start_sharing'),
         {:controller => "people",
         :action => "share_with",
         :id => person.id},

app/views/people/show.html.haml

@@ -21,7 +21,7 @@
   #author_info
     - unless @contact || current_user.person == @person
       .right
-        = link_to "start sharing",
+        = link_to t('.start_sharing'),
           {:controller => "people",
           :action => "share_with",
           :id => @person.id},

config/locales/diaspora/en.yml

@@ -360,6 +360,7 @@ en:
           recent_posts: "Recent Posts"
           recent_public_posts: "Recent Public Posts"
           similar_contacts: "similar contacts"
+          start_sharing: "start sharing"
       edit:
           info_available_to: "This info will be available to whomever you connect with on Diaspora."
           your_profile: "Your profile"