Boa tarde,

 alguém conseguiu instalar o cacic 3.0 ?

ocorre estes erros e não consigo dar proceguimento:

  - doctrine/data-fixtures dev-master conflicts with doctrine/orm[2.2.3].
    - doctrine/data-fixtures dev-master conflicts with doctrine/orm[2.3.0].
    - doctrine/data-fixtures dev-master conflicts with doctrine/orm[2.3.1].
    - doctrine/data-fixtures dev-master conflicts with doctrine/orm[2.3.2].
    - doctrine/data-fixtures dev-master conflicts with doctrine/orm[2.3.3].
    - doctrine/data-fixtures dev-master conflicts with doctrine/orm[2.3.4].
    - doctrine/data-fixtures dev-master conflicts with doctrine/orm[2.3.5].
    - doctrine/data-fixtures dev-master conflicts with doctrine/orm[v2.3.6].
    - Installation request for doctrine/data-fixtures dev-master -> satisfiable by doctrine/data-fixtures[dev-master].
    - Installation request for doctrine/orm >=2.2.3,<2.4-dev -> satisfiable by doctrine/orm[2.2.3, 2.3.0, 2.3.1, 2.3.2, 2.3.3, 2.3.4, 2.3.5, v2.3.6].

Autor: Alexandre Batista