PACKAGE_VERSION curently contains the mailing list address as well; this
leaks into output of --version and other places.
While at it, update AM_INIT_AUTOMAKE to the new form and use correct m4
quoting at least for these lines.
https://bugs.freedesktop.org/show_bug.cgi?id=29936
dnl Process this file with autoconf to produce a configure script.
AC_PREREQ(2.59c)
-AC_INIT(polkit, 0.111 http://lists.freedesktop.org/mailman/listinfo/polkit-devel)
-AM_INIT_AUTOMAKE(polkit, 0.111)
+AC_INIT([polkit], [0.111], [http://lists.freedesktop.org/mailman/listinfo/polkit-devel])
+AM_INIT_AUTOMAKE([])
AC_CONFIG_HEADERS(config.h)
AM_MAINTAINER_MODE