Two small fixes

> It was Dec31, close to midnight, and everybody but me was asleep.
> So I had some time and decided to take a look at Iliad again.
>
> Due to bad memory, I have forgotten just about everything, so
> I went to look at the documentation to find out what I had
> to do to get things going.
>
> I quickly stumbled upon two typos, one fatally preventing
> access to Grease, one by myself in the class search app.
>
> Here's the patch:
>
>
> diff --git a/More/Examples/ILClassSearchWidget.st b/More/Examples/ILClassSearchWidget.st
> index a672eb7..370969f 100644
> --- a/More/Examples/ILClassSearchWidget.st
> +++ b/More/Examples/ILClassSearchWidget.st
> @@ -90,7 +90,7 @@ ILWidget subclass: ILClassSearchWidget [
>   ( self sortedMethodsForClass: aClass)
>      do: [ :each |
>   aListContainer li
> -    onClickDo: [ self selectInstanceMethod: each ];
> +    onClickDo: [ self selectedMessage: each ];
>      text: each asString;
>      text: ' (';
>      text: (aClass compiledMethodAt: each) methodCategory;
> diff --git a/doc/downloadAndInstall.texi b/doc/downloadAndInstall.texi
> index bf49b5f..9469e0c 100644
> --- a/doc/downloadAndInstall.texi
> +++ b/doc/downloadAndInstall.texi
> @@ -20,7 +20,7 @@ Iliad is currently available for GNU Smalltalk, Squeak and Pharo. In this chapte
>  With @dfn{GNU Smalltalk} 3.2 or newer, @code{gst-package} can be used to download and install Iliad.
>  
>  @example
> -~$ gst-package --download grease -t ~/.st
> +~$ gst-package --download Grease -t ~/.st
>  ~$ gst-package --download iliad -t ~/.st
>  @end example
>  
>
> Another thing I noticed is that something within the texi-documentation
> is broken, since I can run "texi2html iliad.texi", while "texi2pdf
> iliad.texi" complains about the tex-related definition of the macros
> "@begindetailmenu" and "@enddetailmenu". My local texinfo version is 4.13.
>
> Happy new year, everybody.
>
> s.