Tidy up configure.ac
Tidy up configure.ac

This is just the result of running `autoupdate` on configure.ac, plus the
addition of two extra options to AC_INIT, specifying the tarball name and
project homepage.

GNOME/folks,renatofilho/folks2,GNOME/folks,renatofilho/folks,renatofilho/folks2,renatofilho/folks,renatofilho/folks,renatofilho/folks2,pwithnall/folks,pwithnall/folks,pwithnall/folks,GNOME/folks,renatofilho/folks,renatofilho/folks2