Render the project list as a tree on Move form.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@2315 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/views/issues/move.rhtml

@@ -8,7 +8,7 @@
 <div class="box tabular">
 <p><label for="new_project_id"><%=l(:field_project)%>:</label>
 <%= select_tag "new_project_id",
-               options_from_collection_for_select(@allowed_projects, 'id', 'name', @target_project.id),
+               project_tree_options_for_select(@allowed_projects, :selected => @target_project),
                :onchange => remote_function(:url => { :action => 'move' },
                                             :method => :get,
                                             :update => 'content',