Contextual quick search (#3263).

Eg. when viewing issues, the quick search will search issues only.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@2943 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/repositories_controller.rb

@@ -24,6 +24,8 @@ class InvalidRevisionParam < Exception; end
 
 class RepositoriesController < ApplicationController
   menu_item :repository
+  default_search_scope :changesets
+  
   before_filter :find_repository, :except => :edit
   before_filter :find_project, :only => :edit
   before_filter :authorize