[PATCH 2 of 2] tests: use jshint when available to check .js files

[Yuya Nishihara]

On Sat, 11 Nov 2017 10:27:32 +0100, Denis Laxalde wrote:
> LGTM.
> 
> Anton Shestakov a écrit :
> > # HG changeset patch
> > # User Anton Shestakov <av6 at dwimlabs.net>
> > # Date 1510384041 -28800
> > #      Sat Nov 11 15:07:21 2017 +0800
> > # Node ID 42809ebcbc783e0d27385c6ea1e1731df44a4f4e
> > # Parent  36e26161d81233a8ef18e40b4198d86b23113159
> > tests: use jshint when available to check .js files

Queued, thanks.