BUG: replace streamFunction

Update tutorials/basic/potentialFoam/cylinder/Allrun

deprecated streamFunction utility.

@Mattijs

Also at tutorials/basic/potentialFoam/pitzDaily

Mentioned in issue #340 (closed)

Mentioned in commit 96b35ffa1c19dc05d06fd85cdefb5a28e06f33e1

By Andrew Heather on 2016-12-13T12:45:05 (imported from GitLab project)

Mentioned in commit ce735ec90c6d65e1a12e7d93949b82bc798012d2

By Andrew Heather on 2016-12-14T08:38:07 (imported from GitLab project)

Status changed to closed