Allow non admin users to add subprojects (#2963).

Subprojects can be added to the projects for which the user has add_project permission.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@3059 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/views/projects/_form.rhtml

@@ -4,7 +4,7 @@
 <!--[form:project]-->
 <p><%= f.text_field :name, :required => true %><br /><em><%= l(:text_caracters_maximum, 30) %></em></p>
 
-<% if User.current.admin? && !@project.possible_parents.empty? %>
+<% unless @project.allowed_parents.empty? %>
     <p><label><%= l(:field_parent) %></label><%= parent_project_select_tag(@project) %></p>
 <% end %>