Fixed project last_activity. Links color changed a bit

app/assets/stylesheets/gitlab_bootstrap/buttons.scss

@@ -8,7 +8,7 @@
   }
 
   &.btn-primary {
-    background:$link_color;
+    background:#2a79A3;
     border-color: #2A79A3;
     &:hover {
       background:$blue_link;

app/assets/stylesheets/main.scss

@@ -2,10 +2,10 @@
 @import "bootstrap-responsive";
 
 /** GITLAB colors **/
-$link_color:#2A79A3;
+$link_color:#3A89A3;
 $blue_link: #2fa0bb;
-$style_color: #474D57;
-$hover: #FDF5D9;
+$style_color: #474d57;
+$hover: #fdf5d9;
 
 /** GITLAB Fonts **/
 @font-face { font-family: Korolev; src: url('korolev-medium-compressed.otf'); }

app/models/project.rb

@@ -158,7 +158,7 @@ class Project < ActiveRecord::Base
   end
 
   def last_activity
-    events.last || nil
+    events.order("created_at DESC").first || nil
   end
 
   def last_activity_date