adding a get_param method + pass backend name to backend

partial testConnect implementation

correction on example configuration file

fix backend name

fix backend name (collision with libraries name)

adding skeleton for ldap backed

begin ldap backend implementation

better logs

adding unit tests for exception while loading module

implementing loading backends ...

* fix conf file
* add exceptions
* fix modules skeletons

multiple modifications: ...

* adding logs in conf loading
* fixing attributes/roles handling in class LdapCherry
* fix unit test on logs
* add unit test for random exception

adding unit test for missing backend

adding unit tests for missing parameters in main conf file

adding unit tests

small debug script for class LdapCherry

set log level to debug for test configuration

adding base template for web pages

implementing backends parsing of main config file

init backends initialization method

fix default configuration

displace _get_loglevel near othe log related methods

fix log_level + unit tests ...

* python logging doesn't support the 7 log levels of syslog, compensate it
* adding unit test on log level

adding loading roles and attributes

begin implementation of the main application

more complete ini conf file ...

adding necessary parameters for backends

rename main class

adding get_attributes

better unit tests

change backend key name in attributes + methods ...

* adding get_backends
* adding get_selfattributes (attributes users can change themselves)
* adding unit tests
* rename backend-attributes -> bakends (for homogeneity with role.yml)

better checks for attributes