Update man pages

doc/h2load.1

 .\" Man page generated from reStructuredText.
 .
-.TH "H2LOAD" "1" "January 16, 2015" "0.7.2-DEV" "nghttp2"
+.TH "H2LOAD" "1" "January 25, 2015" "0.7.2" "nghttp2"
 .SH NAME
 h2load \- HTTP/2 benchmarking tool
 .

doc/nghttp.1

 .\" Man page generated from reStructuredText.
 .
-.TH "NGHTTP" "1" "January 16, 2015" "0.7.2-DEV" "nghttp2"
+.TH "NGHTTP" "1" "January 25, 2015" "0.7.2" "nghttp2"
 .SH NAME
 nghttp \- HTTP/2 experimental client
 .

doc/nghttpd.1

 .\" Man page generated from reStructuredText.
 .
-.TH "NGHTTPD" "1" "January 16, 2015" "0.7.2-DEV" "nghttp2"
+.TH "NGHTTPD" "1" "January 25, 2015" "0.7.2" "nghttp2"
 .SH NAME
 nghttpd \- HTTP/2 experimental server
 .

doc/nghttpx.1

 .\" Man page generated from reStructuredText.
 .
-.TH "NGHTTPX" "1" "January 16, 2015" "0.7.2-DEV" "nghttp2"
+.TH "NGHTTPX" "1" "January 25, 2015" "0.7.2" "nghttp2"
 .SH NAME
 nghttpx \- HTTP/2 experimental proxy
 .
@@ -232,7 +232,7 @@ Default: \fB16K\fP
 .B \-\-backend\-response\-buffer=<SIZE>
 Set buffer size used to store backend response.
 .sp
-Default: \fB64K\fP
+Default: \fB16K\fP
 .UNINDENT
 .SS Timeout:
 .INDENT 0.0

doc/nghttpx.1.rst

@@ -194,7 +194,7 @@ Performance:
 
     Set buffer size used to store backend response.
 
-    Default: ``64K``
+    Default: ``16K``
 
 
 Timeout: