Fixes gh-16453

Increase the timeout used when checking if artifacts have landed in
Bintray from 20m to 40m. Also added some additional protection against
the curl command failing.

Closes gh-16443

See gh-16433

See gh-16350

See gh-16357

Closes gh-16440

Closes gh-16439

Closes gh-16438

Closes gh-16437

Closes gh-16436

Closes gh-16435

Closes gh-16434

Closes gh-16432

Closes gh-16431

Closes gh-16430

Closes gh-16425

Close gh-16425