closes #7414

Fixes #4991

closes #7367

"should see JSON"

closes #7410

closes #7404

closes #7403

closes #7401

Since 4.2.3 sidekiq allows to disable its own session cookie for the
case where the app provides a session already.

closes #7395

These lines might have been necessary some time ago but now they are making things worse.

closes #7374

closes #7376

Fixes #7321.

Fixes #6248, supersedes #6244.

closes #7383

closes #7385

Pass destroyModel from post control view to post view
and don't listen to the remove event in the post view
anymore. The `remove` function will be called from the
base view.

Fixes #5445

closes #7371

closes #7364

closes #7382

closes #7375

closes #7370

closes #7384

closes #7387

closes #7381

closes #5502

closes #7379

here is a somewhat hacky way to force use an empty selector where "#"
was used as a selector before

closes #7372

closes #7356