doc: update references to wiki and forum

(cherry picked from commit 6d7ae68e)

doc/dynare.texi

@@ -405,8 +405,10 @@ New users should rather begin with Dynare User Guide (@cite{Mancini
 @uref{http://www.dynare.org,official Dynare web site}.
 Other useful sources of information include the
-@uref{http://www.dynare.org,Dynare wiki} and the
-@uref{http://www.dynare.org/phpBB3, Dynare forums}.
+@uref{http://www.dynare.org/DynareWiki,old Dynare wiki}, the
+@uref{https://github.com/DynareTeam/dynare/wiki,new Dynare wiki}, the documentation
+section of the @uref{http://www.dynare.org/documentation-and-support,Dynare
+website} and the @uref{https://forum.dynare.org/,Dynare forum}.
 @node Citing Dynare in your research
 @section Citing Dynare in your research