Squashed commit of the following:

commit af456bc
Author: Eterna2 <eterna2@hotmail.com>
Date:   Fri Aug 23 02:08:33 2019 +0800

    [front-end-server] Allow viewer:tensorboard podTemplateSpec to be customizable (kubeflow#1906)

    * Allow front-end server to provide custom viewer podTemplateSpec via path/configmap

    * Fix JSON.parse input to string

commit 06b7ad6
Author: IronPan <yangpa@google.com>
Date:   Thu Aug 22 10:03:28 2019 -0700

    Cleanup pipeline-lite deployment (kubeflow#1921)

    * restructure

    * working example

    * working example

    * move mysql

    * moving minio and mysql out

    * add gcp

    * add files

    * fix test

    * extract parameters to single place

    * update

    * update readme

    * update readme

    * address pr comment

commit 56160f1
Author: Kirin Patel <kirinpatel@gmail.com>
Date:   Thu Aug 22 09:26:33 2019 -0700

    Added support for environment specified kernel timeout (kubeflow#1920)