added ikev1/ip-pool-db scenario

testing/tests/ikev1/ip-pool-db/hosts/dave/etc/strongswan.conf

@@ -0,0 +1,5 @@
+# /etc/strongswan.conf - strongSwan configuration file
+
+pluto {
+  load = sha1 sha2 md5 aes des hmac pem pkcs1 x509 gmp random curl
+}