adding unit test for del user if user don't exist

adding test on login

fix test configuration

reorganize the ldap backend module

correct backend module skeleton

Merge branch 'master' of https://github.com/kakwa/ldapcherry

adding creation of a ext4 partition

implementing logout

implementing access controle methods

adding a check to avoid removing previous configuration in setup.py

better example for ldap backend

add exception handling

fix configuration

add unit test for get_groups

implement get_groups

fix logging in ldap backend

implement authentification

fix test on ldap backend

reimplement get_user in ldap backend

include ldapcherry.backend in setup.py

adding misc

adding methods add_user and del_user ...

* adding add_user
* adding del_user
* adding unit tests
* adding configuration parameters for adding users

adding objectclasses options

factoring binding to the ldap

better code example

code factoring

implementing search users ...

* adding search
* adding unit tests

adding search template

adding skeleton of method search user

fix method arguments