Better presentation of member expiration.

app/helpers/members_helper.rb

@@ -42,4 +42,8 @@ module MembersHelper
     "Are you sure you want to leave the " \
     "\"#{member_source.human_name}\" #{member_source.class.to_s.humanize(capitalize: false)}?"
   end
+
+  def member_expires_soon?(member)
+    member.expires_at < 7.days.from_now
+  end
 end

app/views/shared/members/_member.html.haml

@@ -60,8 +60,9 @@
         - else
           Joined #{time_ago_with_tooltip(member.created_at)}
         - if member.expires?
-          %span.prepend-left-20
-            Access expires #{member.expires_at.to_s(:medium)}
+          ·
+          %span{ class: ("text-warning" if member_expires_soon?(member)) }
+            Expires in #{distance_of_time_in_words_to_now(member.expires_at)}
 
     - else
       = image_tag avatar_icon(member.invite_email, 40), class: "avatar s40", alt: ''