Merge branch 'group-project-template-in-paid-features' into 'master'

Group project templates should be a Silver/Premium feature - CE backport

See merge request gitlab-org/gitlab-ce!27407

app/controllers/projects_controller.rb

@@ -36,10 +36,10 @@ def index
 
   # rubocop: disable CodeReuse/ActiveRecord
   def new
-    namespace = Namespace.find_by(id: params[:namespace_id]) if params[:namespace_id]
-    return access_denied! if namespace && !can?(current_user, :create_projects, namespace)
+    @namespace = Namespace.find_by(id: params[:namespace_id]) if params[:namespace_id]
+    return access_denied! if @namespace && !can?(current_user, :create_projects, @namespace)
 
-    @project = Project.new(namespace_id: namespace&.id)
+    @project = Project.new(namespace_id: @namespace&.id)
   end
   # rubocop: enable CodeReuse/ActiveRecord