disable redirection + disable selfmodify if authentication is 'none'

fix unicode

adding redirect to selfmodify on /

implementing selfmodify

make the key attribute not modifiable in modify form

implementing modify

better log handler

replace uppercase characters in logs

adding another debug log

prefixing all form attributes to differenciate between types

redirecting to the edit page once submit modify

implementing deletion of a user

implementing backend method for delete user

fix adding multiple time to same group + logs

code reorganization + logs ...

* adding logs when adding users
* move adduser with other none exposed classes
* skeleton for modify and delete user

better logs

implementing displaying roles and standalone groups in modify form

begin implementing modify user form

implementing adding user to roles

adding logs when adding a user to a group

list of roles and not a uniq role for get_groups

adding exception to prevent using skeleton module

fix backend module skeleton

fix unit test and fix the way ldap connexion options are handled

fix add/del groups

fix API for backend ldap on groups handling

multiple modification in backend ldap ...

* better handling of which attributes is recovered
* fix set_attrs method
* change api of set_attrs method for constancy
* change calls to _get_user and _search methods (internal api change)

remove debuging log

fix search display ...

* fix attritues handling, not using backend attribute name but key given
  in attributes.yml

implementing basic add of users