The name of worker queue as been changed in gwcelery

After November 7th mergers in gwcelwery the following queues have been changed.

• removed kafka-consumer queue
• removed kafka-producer queue
• added kafka queue. (-Q kafka -P solo)
• removed skynet queue
• added highmem queue

The change also involved

• moving gwskynet task to the openmp queue
• moving flatten and unflatten to the new highmem queue
• moving the alerts task _send, _send_with_combined , and send to the kafka queue

changed the description

mentioned in merge request !6 (merged)

mentioned in commit 81e9cc90

closed with merge request !6 (merged)