trunk:

* created a Makefile for rebuilding the userguide
* integrated the building of the userguide in the Debian packaging
* removed PDF files of the userguide
* included the front cover directly from latex source
* updated some URLs in the userguide, to point to www.dynare.org


git-svn-id: https://www.dynare.org/svn/dynare/dynare_v4@2325 ac1d8469-bf42-47a9-8791-bf33cf982152