install vbguest plugin (apache#4600)

### Motivation
*This change solve the problem related to vagrant up.* as described bellow:
 

  ```
mount -t vboxsf -o uid=1000,gid=1000 pulsar /pulsar
The error output from the command was:
mount: unknown filesystem type 'vboxsf
  ```
### Modifications
i suggest to fix this issue by installing the vbguest, when i perform the solution as described i still had the same error, the install of vbguest solve the issue

dev/README.md

@@ -49,11 +49,8 @@ to launch a linux virtual machine and run the integration tests there.
    If that happens, follow the below instructions:
 
    ```
-   # ssh to the dev vm
-   $ vagrant ssh
-
-   [vagrant@bogon pulsar]$ sudo yum update -y
-   [vagrant@bogon pulsar]$ exit  
+    $ vagrant plugin install vagrant-vbguest
+    $ vagrant destroy && vagrant up
 
    # reload the vm
    $ vagrant reload