Bump up version to beta1

configure.ac

 # Configure script for Ganeti
 
 AC_PREREQ(2.59)
-AC_INIT(ganeti, 1.2a, ganeti@googlegroups.com)
+AC_INIT(ganeti, 1.2b1, ganeti@googlegroups.com)
 AC_CONFIG_AUX_DIR(autotools)
-AM_INIT_AUTOMAKE(foreign)
+AM_INIT_AUTOMAKE([foreign tar-ustar dist-bzip2])
 
 # Check common programs
 AC_PROG_INSTALL
@@ -22,4 +22,5 @@ fi
 AC_CONFIG_FILES([Makefile man/Makefile docs/Makefile 
   testing/Makefile tools/Makefile
   lib/Makefile scripts/Makefile daemons/Makefile])
+
 AC_OUTPUT