App update

Submodule web/app 81cd91d..85ec952:
  > Refactoring of the get_marks_list_for_target_folder and get_segment_list_for_target_folder functions
  > Remove the cache for get_[segment,marks]_list_for_target_folder functions
  > Refactoring: submission_uuid for the afis.admin_show_target_list() function