Adds version status to limit issue assignments (#1245).

Available version statuses are:
* open: no restriction
* locked: can not assign new issues to the version
* closed: can not assign new issues and can not reopen assigned issues

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@3020 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/views/issues/_form_update.rhtml

@@ -5,8 +5,8 @@
 </div>
 <div class="splitcontentright">
 <p><%= f.select :done_ratio, ((0..10).to_a.collect {|r| ["#{r*10} %", r*10] }) %></p>
-<%= content_tag('p', f.select(:fixed_version_id, 
-                          (@project.versions.sort.collect {|v| [v.name, v.id]}),
-                          { :include_blank => true })) unless @project.versions.empty? %>
+<% unless @issue.assignable_versions.empty? %>
+<p><%= f.select :fixed_version_id, (@issue.assignable_versions.collect {|v| [v.name, v.id]}), :include_blank => true %></p>
+<% end %>
 </div>
 </div>