* Makefile.am:
use new automake-1.11 silent rules if possible
move macros to m4 directory
* m4/gtk-doc.m4:
add gtk-doc macros.
* lasso/Makefile.am:
add missing -f flag to rm, to unbreak make distcheck
* docs/references/Makefile.am:
fix problem between libtool and gtk-doc
* autogen.sh:
update to autogen.sh from gtk-doc, add support for automake-1.11