Merge pull request rundeck#1365 from brmdias/patch-1

Update elk-integration.md

Merge pull request rundeck#1357 from rundeck/backup-md-fix

Merge pull request rundeck#1324 from rundeck/SeptemberHow2

New How 2 article with a couple of other changes and images

Merge pull request rundeck#1301 from rundeck/AugustHow2

August how2 articles

fixed release date

Merge pull request rundeck#1270 from rundeck/user-class-api

User Class Mgr API

Merge pull request rundeck#1257 from rundeck/NF-MayDocsChanges

Nf may docs changes

Release Notes YouTube 4.12/13

Merge pull request rundeck#1237 from rundeck/architecture-pdf-3

Update README.md

Merge pull request rundeck#1231 from rundeck/fix-architecture-link

Fix architecture link