new ui member plugin sort fix and user show avatar fix

lib/orbit_app/plugin/registration.rb

@@ -53,6 +53,7 @@ module OrbitApp
           def initialize(name,partial=nil,*args ,&block)
             @base_path = args[0][:base_path]
             @name = partial[0][:i18n].nil? ? name : lambda{ I18n.t(partial[0][:i18n]) } 
+            @sort_number = partial[0][:sort_number]
             @app_name = partial[0][:app_name]
             @intro_app_name = partial[0][:intro_app_name]
             @partial_path = ''
@@ -68,6 +69,10 @@ module OrbitApp
             block.arity < 1 ? instance_eval(&block) : block.call(self) if block_given?
           end
 
+          def sort_number
+            return  @sort_number
+          end
+
           def app_name
             return  @app_name
           end