Add dask-client configurations as resources

Fixes #19 (closed)

Removes the sge-demanding configuration as all nodes at Idiap have a fast connection now.

Depends on bob.bio.base!201 (merged)

bob/pipelines/config/distributed/sge_demanding.py

-from dask.distributed import Client
-
-from bob.pipelines.distributed.sge import SGEMultipleQueuesCluster
-from bob.pipelines.distributed.sge_queues import QUEUE_DEMANDING
-
-cluster = SGEMultipleQueuesCluster(min_jobs=20, sge_job_spec=QUEUE_DEMANDING)
-dask_client = Client(cluster)