Merge all of workflow related state-of-the-art materials together in one section

[sdruskat]

Also: explain table, as discussed.

[poikilotherm]

Finished for now. I added some more explaining text and references on the same go... :wink:

Dear all, please review the all new Workflow section! :smile:

(Please unassign yourself from this issue if you reviewed and left comments/edits)

[juckel]

LGTM