small doc updates for SRV support

git-svn-id: http://svn.berlios.de/svnroot/repos/sipsak/trunk@400 75b5f7c7-cfd4-0310-b54c-e118b2c5249a
(cherry picked from commit a38e867023442f923fe309f8aa28ead302d2097d)

Change-Id: I18a0f2e6386b206eaa945943259a0c9a4ccb3194

README

@@ -8,7 +8,7 @@
  - Have 
      GnuTLS (http://www.gnutls.org/)
    or 
-	 OpenSSL (http://www.openssl.org/)
+     OpenSSL (http://www.openssl.org/)
    installed on your system to use their MD5 implementations
    instead of sipsak own version.
  - Have 

sipsak.1

@@ -110,9 +110,11 @@ Stress mode for SIP servers.
 keeps sending requests to a SIP server at high pace.
 
 .PP
-If libruli (http://www.nongnu.org/ruli/) support is compiled into the
+If libruli (http://www.nongnu.org/ruli/) or c-ares 
+(http://daniel.haxx.se/projects/c-ares/) support is compiled into the
 .B sipsak
-binary, then first a SRV lookup for _sip._udp.hostname is made. And if this
+binary, then first a SRV lookup for _sip._tcp.hostname is made. If that
+fails a SRV llokup for _sip._udp.hostname is made. And if this
 lookup fails a normal A lookup is made. If a port was given in the target
 URI the SRV lookup is omitted. Failover, load distribution and other 
 transports are not supported yet.