Add a user preference to choose how comments/replies are displayed: in chronological or reverse chronological order (#589, #776).

git-svn-id: http://redmine.rubyforge.org/svn/trunk@1197 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/issues_controller.rb

@@ -92,6 +92,8 @@ class IssuesController < ApplicationController
   def show
     @custom_values = @project.custom_fields_for_issues(@issue.tracker).collect { |x| @issue.custom_values.find_by_custom_field_id(x.id) || CustomValue.new(:custom_field => x, :customized => @issue) }
     @journals = @issue.journals.find(:all, :include => [:user, :details], :order => "#{Journal.table_name}.created_on ASC")
+    @journals.each_with_index {|j,i| j.indice = i+1}
+    @journals.reverse! if User.current.wants_comments_in_reverse_order?
     @allowed_statuses = @issue.new_statuses_allowed_to(User.current)
     @edit_allowed = User.current.allowed_to?(:edit_issues, @project)
     @activities = Enumeration::get_values('ACTI')