Added secure option.
Turn Redis clustering off by default.
Add note to upgrade guide.
Update upgrade.md

Quick reminder to change the path in the BaseController to match the change to the alias.
Merge pull request #2400 from jamesmills/patch-1

Update upgrade.md
Added code block.
add note to upgrade log.
Remove unnecessary line from upgrade guide.
Tweak reminder language lines.
Add to upgrade guide.
Add Remote component to upgrade
Missing reference to SSH in upgrade.md
Merge pull request #2426 from philsturgeon/patch-1

Missing reference to SSH in upgrade.md
Merge pull request #2423 from mitchellvanw/develop

Add Remote component to upgrade
Remove duplicate insert of SSH alias
Merge pull request #2436 from bryannielsen/patch-1

Remove duplicate insert of SSH alias
Added stub keyphrase.
Group similar upgrade task.

Signed-off-by: crynobone <crynobone@gmail.com>
Added instruction to update composer.json to 4.1
Adding failed queue job options.