[PATCH] Sync some toplevel documentation

[Jeffrey D. Oldham]

Richard Guenther wrote:

>Hi!
>
>I just looked around for uncommitted deltas in my closest-to-CVS
>repository and came along the following documentation update.
>
>Ok?
>
>Richard.
>
>
>2004Jul20  Richard Guenther <richard.guenther at uni-tuebingen.de>
>
>	* docs/reference/array.doxygen: add summary.
>	docs/reference/field.doxygen: extend summaries, remove mentioning
>	of MeshTraits, document Relations.
>	docs/reference/particles.doxygen: add summary.
>
Yes, this is good documentation.

-- 
Jeffrey D. Oldham
oldham at codesourcery.com