Sphinx will be able to use the docstring as documentation.
Also, favicon is PNG format.

This reverts commit 780ffa98.

This allows someone reading the doc to quickly use an example from the
doc in its own code without spending too much time figuring out which
imports are required.

This commit explains in particular how to save the fact that login has
succeeded once by using the browser's logged attribute, so that do_login
isn't called multiple times afterwards.

Closes: 501341@redmine

without typing, transactions would go through budgea backend regex and a
transaction with 'PRET A MANGER' label would become a LOAN_PAYMENT ->
prelevement -> order transaction.

Closes: 3279@zendesk

As budgea goes twice on the accounts list, if we stay on the same page,
that's the last page, and we miss all first accounts.

During the get_labels, we can have "Comptes et cartes" and "Comptes et
Cartes"...... We compare now with lower method.

Closes: 37018@sibi

Page content: Questionnaires obligatoires
Ce questionnaire vous est proposé dans votre intérêt afin de vous fournir un service d'investissement adapté.

Closes: 33297@sibi

The url changed and the xpath too.

Closes: 33297@sibi

The website seems to create fake iban with the id card (but not
reachable with website navigation).

The "credit" and "synthese" keys are now splitted. It is more secure to
check the label in each iteration instead of a given index.

Closes: 37018@sibi

The arguments were not in the same order in the module.py of CMES and in
the browser __init of cmes and its children modules.
CMES has several children, including CICES.