Update man pages

doc/h2load.1

 .\" Man page generated from reStructuredText.
 .
-.TH "H2LOAD" "1" "December 08, 2015" "1.5.1-DEV" "nghttp2"
+.TH "H2LOAD" "1" "December 23, 2015" "1.6.0" "nghttp2"
 .SH NAME
 h2load \- HTTP/2 benchmarking tool
 .
@@ -375,7 +375,7 @@ deviation range (mean +/\- sd) against total number of successful
 connections.
 .UNINDENT
 .TP
-.B req/s (client)
+.B req/s
 .INDENT 7.0
 .TP
 .B min

doc/h2load.1.rst

@@ -303,7 +303,7 @@ time for 1st byte (of (decrypted in case of TLS) application data)
     deviation range (mean +/- sd) against total number of successful
     connections.
 
-req/s (client)
+req/s
   min
     The minimum request per second among all clients.
   max

doc/nghttp.1

 .\" Man page generated from reStructuredText.
 .
-.TH "NGHTTP" "1" "December 08, 2015" "1.5.1-DEV" "nghttp2"
+.TH "NGHTTP" "1" "December 23, 2015" "1.6.0" "nghttp2"
 .SH NAME
 nghttp \- HTTP/2 client
 .

doc/nghttpd.1

 .\" Man page generated from reStructuredText.
 .
-.TH "NGHTTPD" "1" "December 08, 2015" "1.5.1-DEV" "nghttp2"
+.TH "NGHTTPD" "1" "December 23, 2015" "1.6.0" "nghttp2"
 .SH NAME
 nghttpd \- HTTP/2 server
 .

doc/nghttpx.1

 .\" Man page generated from reStructuredText.
 .
-.TH "NGHTTPX" "1" "December 08, 2015" "1.5.1-DEV" "nghttp2"
+.TH "NGHTTPX" "1" "December 23, 2015" "1.6.0" "nghttp2"
 .SH NAME
 nghttpx \- HTTP/2 proxy
 .