Automatic merge from submit-queue

Add support for kubectl create quota command

Follow-up of https://github.com/kubernetes/kubernetes/pull/19625

```
Create a resourcequota with the specified name, hard limits and optional scopes

Usage:
  kubectl create quota NAME [--hard=key1=value1,key2=value2] [--scopes=Scope1,Scope2] [--dry-run=bool] [flags]

Aliases:
  quota, q


Examples:
  // Create a new resourcequota named my-quota
  $ kubectl create quota my-quota --hard=cpu=1,memory=1G,pods=2,services=3,replicationcontrollers=2,resourcequotas=1,secrets=5,persistentvolumeclaims=10

  // Create a new resourcequota named best-effort
  $ kubectl create quota best-effort --hard=pods=100 --scopes=BestEffort
```