Copy changes for milestone due dates.

app/assets/javascripts/lib/common_utils.js.coffee

@@ -5,7 +5,7 @@
     return '' unless time
     suffix       or= 'remaining'
-    expiredLabel or= 'expired'
+    expiredLabel or= 'Past due'
     jQuery.timeago.settings.allowFuture = yes

app/helpers/milestones_helper.rb

@@ -56,7 +56,7 @@ module MilestonesHelper
   def milestone_remaining_days(milestone)
     if milestone.expired?
-      content_tag(:strong, 'expired')
+      content_tag(:strong, 'Past Due')
     elsif milestone.due_date
       days    = milestone.remaining_days
       content = content_tag(:strong, days)

app/views/projects/milestones/show.html.haml

@@ -6,7 +6,7 @@
     - if @milestone.closed?
       Closed
     - elsif @milestone.expired?
-      Expired
+      Past Due
     - else
       Open
   %span.identifier