Adds watch/unwatch link on the issue context menu (#2730).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@2460 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/views/issues/context_menu.rhtml

@@ -81,6 +81,9 @@
 	<li><%= context_menu_link l(:button_log_time), {:controller => 'timelog', :action => 'edit', :issue_id => @issue},
 	        :class => 'icon-time-add' %></li>
 	<% end %>
+	<% if User.current.logged? %>
+	<li><%= watcher_link(@issue, User.current) %></li>
+	<% end %>
 <% end %>
 
   <li><%= context_menu_link l(:button_move), {:controller => 'issues', :action => 'move', :ids => @issues.collect(&:id)},