Merged r9719, r9726, r9727 from trunk.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/branches/2.0-stable@9729 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/activities_controller.rb

@@ -43,7 +43,7 @@ class ActivitiesController < ApplicationController
     if events.empty? || stale?(:etag => [@activity.scope, @date_to, @date_from, @with_subprojects, @author, events.first, User.current, current_language])
       respond_to do |format|
         format.html {
-          @events_by_day = events.group_by(&:event_date)
+          @events_by_day = events.group_by {|event| User.current.time_to_date(event.event_datetime)}
           render :layout => false if request.xhr?
         }
         format.atom {