Adding -b (buffer size) parameter to varnishtest

[Dridi Boukelmoune]

On Thu, Sep 10, 2015 at 1:26 PM, Carlos Abalde <carlos.abalde at gmail.com> wrote:
> Hi,
>
> When implementing in VCL complex logic (not necessarily related with caching contents -e.g. access control, rate limiting, etc.-) varnishtest is a powerful tool to automate VCL testing. These type of tests sometimes are complex and they are not easy to split in smaller pieces.

Hi Carlos,

One nitpick: I believe it should display the default value in the man
(and maybe usage too).

> Set internal buffer size in KB (default: 512)

Cheers,
Dridi