[PATCH 4 of 4 evolve-ext V2] fold: add squash as a possible alias

[Pierre-Yves David]

On 04/14/2014 01:48 PM, Jordi Gutiérrez Hermoso wrote:
> # HG changeset patch
> # User Jordi Gutiérrez Hermoso <jordigh at octave.org>
> # Date 1397160122 14400
> #      Thu Apr 10 16:02:02 2014 -0400
> # Branch stable
> # Node ID 7b7a160efe1e4607c30aba937553083e9d5890bf
> # Parent  09b4808632bc218f3078ae86e18ac0190f9ccc29
> fold: add squash as a possible alias

Sounds reasonable

Can you update the help test with some saying "sometiem refered as 
"squash"" ?