change "zf-commons/zfc-rbac" : "dev-master" to "zf-commons/zfc-rbac" : "~2.0"
* Modification of configuration
* Modification of entities for rbac 2.*
* add fixture
* removing unnecessary files for rbac 2.0
* update entity files
* install fixture to load default role in bdd
use ./vendor/bin/doctrine-module data-fixture:import to load default role
* normalize entities
maj