Support for centos-7 image
diff --git a/centos-7.0/scripts/cleanup.sh b/centos-7.0/scripts/cleanup.sh
new file mode 100644
index 0000000..a6b5d9f
--- /dev/null
+++ b/centos-7.0/scripts/cleanup.sh
@@ -0,0 +1,19 @@
+echo "cleaning up packages"
+yum -y clean all
+
+echo "cleaning up hostname"
+sed -i "/.*debian-8.*/d" /etc/hosts
+
+echo "cleaning up guest additions"
+rm -rf VBoxGuestAdditions_*.iso VBoxGuestAdditions_*.iso.? || true
+
+echo "cleaning up dhcp leases"
+rm -f /var/lib/dhcp/* || true
+
+echo "cleaning up udev rules"
+rm -f /etc/udev/rules.d/70-persistent-net.rules || true
+rm -rf /dev/.udev/ || true
+rm -f /lib/udev/rules.d/75-persistent-net-generator.rules || true
+
+echo "cleaning up minion_id for salt"
+rm -f /etc/salt/minion_id || true