configure.ac: Set version to 2.0b1.

Author: tillkamppeter

configure.ac

@@ -2,7 +2,7 @@
 # Process this file with autoconf to produce a configure script.
 
 AC_PREREQ([2.69])
-AC_INIT([cpdb-backend-cups], [2.0.0], [https://github.com/OpenPrinting/cpdb-backend-cups/issues/], [cpdb-backend-cups], [https://github.com/OpenPrinting/cpdb-backend-cups])
+AC_INIT([cpdb-backend-cups], [2.0b1], [https://github.com/OpenPrinting/cpdb-backend-cups/issues/], [cpdb-backend-cups], [https://github.com/OpenPrinting/cpdb-backend-cups])
 AM_INIT_AUTOMAKE([-Wall foreign])
 AC_CONFIG_SRCDIR([src/print_backend_cups.c])