cubicweb-vcreview #1927223 author of a patch could not close a task [resolved]

If a reviewer add a task for a patch, the author of the patch cannot set this task as done (reviewer can do it). Althougth author can modify the task.

done in0.8.1
load left0.000
closed by#bd5629464b01 grant permissions to author/reviewers/commiters to close tasks (closes #1927223)