[18.0][ADD] account_analytic

[andrel-exo]

This module is based on purchase_analytics and adapts the same functionality for account move.

The goal of this module is to ease analytic distribution management on account move. This module add analytic distribution on account move.

If all lines of the account move have the same analytic distribution, the analytic distribution on the account move is automatically set with this value. If an analytic distribution is set on the account move, all lines of the account move will take this value.