New setting added to specify how many objects should be displayed on most paginated lists.

Default is: 25, 50, 100 (users can choose one of these values).
If one value only is entered in this setting (eg. 25), the 'per page' links are not displayed (prior behaviour).

git-svn-id: http://redmine.rubyforge.org/svn/trunk@1026 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/wiki_controller.rb

@@ -97,7 +97,7 @@ class WikiController < ApplicationController
     @page = @wiki.find_page(params[:page])
     
     @version_count = @page.content.versions.count
-    @version_pages = Paginator.new self, @version_count, 25, params['p']
+    @version_pages = Paginator.new self, @version_count, per_page_option, params['p']
     # don't load text    
     @versions = @page.content.versions.find :all, 
                                             :select => "id, author_id, comments, updated_on, version",