unify pic saving and display (pic_src) + save it as file with path in the DB + slightly refactor read_records/save_form tasks

adding the function to register from serverside (will be useful to link legacy user with new login credentials

independant flag to init AuthForms with/without captcha (used to be implicit if element there but now absent elements triggers defaults) + change form names to normal where alternate ids are used

clt: refactored uform and uauth with object-oriented uforms to allow multiple forms + turned side effect icons and legends into css classes + moved auth_box to a new comex_lib_elts module

removing inactive users from directories, scholar autocompletes, filter autocompletes and explorer expansion maps