Merge pull request #111 from yudong2015/v4.1.2-dev

upgrade plugins to fix bug of e-mail

Merge pull request #112 from yudong2015/release-security-4.1.2-dev

upgrade plugins to fix bug of e-mail

Merge pull request #102 from chilianyi/upgrade-2.346.3

Add build user var plugin && release v3.5.0

Merge pull request #101 from chilianyi/upgrade-2.346.3

upgrade jenkins to 2.346.3 & add oic-auth

Merge pull request #100 from yudong2015/delete-plugins

delete plugin azure-commons and kubernetes-cd

Merge pull request #100 from yudong2015/delete-plugins

delete plugin azure-commons and kubernetes-cd

Merge pull request #99 from yudong2015/add-email-ext-plugin

add email ext plugin

Merge pull request #97 from chilianyi/upgrade

upgrade jenkins to 2.319.3

Add prefix v into the image tag name

Remove ruby-runtime (#53)