Added swanctl/rw-cert scenario

testing/tests/swanctl/rw-cert/hosts/dave/etc/strongswan.conf

@@ -0,0 +1,13 @@
+# /etc/strongswan.conf - strongSwan configuration file
+
+swanctl {
+  load = pem pkcs1 x509 revocation constraints pubkey openssl random 
+}
+
+charon {
+  load = sha1 sha2 md5 aes des hmac pem pkcs1 x509 revocation constraints pubkey gmp random nonce curl kernel-netlink socket-default updown vici 
+}
+
+libstrongswan {
+  dh_exponent_ansi_x9_42 = no
+}