Rename iperf.1 to iperf3.1.

src/iperf3.1

@@ -1,12 +1,12 @@
 .TH IPERF 1 "July 2010" NLANR/DAST "User Manuals"
 .SH NAME
-iperf \- perform network throughput tests
+iperf3 \- perform network throughput tests
 .SH SYNOPSIS
-.B iperf -s [
+.B iperf3 -s [
 .I options
 .B ]
 
-.B iperf -c 
+.B iperf3 -c 
 .I server
 .B [
 .I options
@@ -14,8 +14,8 @@ iperf \- perform network throughput tests
 
 
 .SH DESCRIPTION
-iperf is a tool for performing network throughput measurements.  It can test
-either TCP or UDP throughput.  To perform an iperf test the user must
+iperf3 is a tool for performing network throughput measurements.  It can test
+either TCP or UDP throughput.  To perform an iperf3 test the user must
 establish both a server and a client.