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/news_controller.rb

@@ -16,6 +16,7 @@
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
 class NewsController < ApplicationController
+  default_search_scope :news
   before_filter :find_news, :except => [:new, :index, :preview]
   before_filter :find_project, :only => [:new, :preview]
   before_filter :authorize, :except => [:index, :preview]