alter drain function

add namespace's resource usage Statistics and fix some bugs

change binary and image name to kubepshere-apiserver

fix bug: missing pvc when listing pvc of a sc

fork code

add default rolebinding, and provide a workaround to process nil object when use k8s watch

Components

fork code

Load configuration from mounted folders

Patch

use dep as denpendency managment tool

add storageclass metrics list extend API 

optimize Registries delete and query function

fork code from master

add drain function

change deployment service account

Refine rules definition

add registries create update delete query function