Change specfile URL and Source

Signed-off-by: Jan Friesse <jfriesse@redhat.com>
Reviewed-by: Fabio M. Di Nitto <fdinitto@redhat.com>

corosync.spec.in

@@ -24,8 +24,8 @@ Version: @version@
 Release: 1%{?gitver}%{?dist}
 License: BSD
 Group: System Environment/Base
-URL: http://ftp.corosync.org
-Source0: ftp://ftp:user@ftp.corosync.org/downloads/%{name}-%{version}/%{name}-%{version}%{?gittarver}.tar.gz
+URL: http://www.corosync.org/
+Source0: https://github.com/downloads/corosync/corosync/%{name}-%{version}%{?gittarver}.tar.gz
 
 # Runtime bits
 Requires: corosynclib = %{version}-%{release}