Adds a Setting to control how an Issue's done_ratio is calculated:

* Issue field (default) - the done_ratio field for the Issue
* Issue status - uses the Issue Status's value

  #4274

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@3151 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/views/issues/context_menu.rhtml

@@ -77,6 +77,7 @@
 		</ul>
 	</li>
 	<% end -%>
+  <% if Issue.use_field_for_done_ratio? %>
 	<li class="folder">
 		<a href="#" class="submenu"><%= l(:field_done_ratio) %></a>
 		<ul>
@@ -86,7 +87,7 @@
 		<% end -%>
 		</ul>
 	</li>
-	
+  <% end %>
 <% if !@issue.nil? %>
 	<% if @can[:log_time] -%>
 	<li><%= context_menu_link l(:button_log_time), {:controller => 'timelog', :action => 'edit', :issue_id => @issue},