Replace libtool config with parallel build config

Remove the libtool stuff from the autoupdaterc sample file and put
in the currently known ports that won't build in parallel. Set the
default number of jobs to 2 and enable make clean invokation via
sudo by default.

autoupdaterc

@@ -20,12 +20,9 @@ logging = 1
 
 # If set to 1 and with SUDO set in the environment or SUDO set in /etc/mk.conf
 # SUDO will be used for the make clean stage while building a package
-#sudo_make_clean = 1
+sudo_make_clean = 1
 
-# List of ports behaving bad when building while another version of the
-# port is already installed.
-libtool_ports = audio/faad databases/freedts devel/glib2 devel/pango \
-	devel/startup-notification graphics/cairo x11/dbus-glib x11/gtk+2 \
-	devel/libsoup multimedia/gstreamer-0.10 net/pidgin \
-	security/libgcrypt devel/libsoup security/gnutls \
-	graphics/libcaca textproc/aspell/core x11/kde/arts3
+make_jobs = 2
+nonconcurrent_builds = security/nss security/libgpg-error mail/alpine \
+	lang/python/2.7 misc/shared-mime-info editors/vim textproc/libxml \
+	lang/python/3.4 devel/avrdude x11/motif