Fixed error in capistrano script.
Fixed error in capistrano script.

When specifying several roles in which a task should be run, roles must be in an array, not in a hash.

amatriain/feedbunch,amatriain/feedbunch,jmwenda/feedbunch,amatriain/feedbunch,amatriain/feedbunch,jmwenda/feedbunch,jmwenda/feedbunch