* Following GNU build system rules, PDF documentation is now built with "make...

* Following GNU build system rules, PDF documentation is now built with "make pdf", HTML doc with "make html"
* Fixed bug when dblatex not present


git-svn-id: https://www.dynare.org/svn/dynare/trunk@2915 ac1d8469-bf42-47a9-8791-bf33cf982152