Add update|hotfix repo classes

  * extra
  * saltstack
  * ceph
  * percona
  * docker
  * mark as deprecated:
    - jenkins
    - docker_legacy
    - aptly
  * Misc: fix arch. variable

Change-Id: I24e3ae14ddc239fd07c2f3b622321538715cb157
Prod-releted: PROD-23765 (PROD:23765)
(cherry picked from commit 94d704c5c921df2405a9cfb58d97fff331ba9e10)
diff --git a/linux/system/repo/mcp/apt_mirantis/jenkins.yml b/linux/system/repo/mcp/apt_mirantis/jenkins.yml
index 55cebad..d17d264 100644
--- a/linux/system/repo/mcp/apt_mirantis/jenkins.yml
+++ b/linux/system/repo/mcp/apt_mirantis/jenkins.yml
@@ -1,3 +1,5 @@
+# Deprecated since 2018.11
+# Will be removed in 2019.q2
 classes:
 - system.linux.system.repo.keystorage.jenkins
 parameters: