Update manual pages

doc/h2load.1

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-.TH "H2LOAD" "1" "Nov 25, 2017" "1.28.0" "nghttp2"
+.TH "H2LOAD" "1" "Dec 14, 2017" "1.29.0-DEV" "nghttp2"
 .SH NAME
 h2load \- HTTP/2 benchmarking tool
 .

doc/nghttp.1

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-.TH "NGHTTP" "1" "Nov 25, 2017" "1.28.0" "nghttp2"
+.TH "NGHTTP" "1" "Dec 14, 2017" "1.29.0-DEV" "nghttp2"
 .SH NAME
 nghttp \- HTTP/2 client
 .

doc/nghttpd.1

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-.TH "NGHTTPD" "1" "Nov 25, 2017" "1.28.0" "nghttp2"
+.TH "NGHTTPD" "1" "Dec 14, 2017" "1.29.0-DEV" "nghttp2"
 .SH NAME
 nghttpd \- HTTP/2 server
 .

doc/nghttpx.1

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-.TH "NGHTTPX" "1" "Nov 25, 2017" "1.28.0" "nghttp2"
+.TH "NGHTTPX" "1" "Dec 14, 2017" "1.29.0-DEV" "nghttp2"
 .SH NAME
 nghttpx \- HTTP/2 proxy
 .
@@ -1465,7 +1465,7 @@ Default: \fB443\fP
 .B \-\-api\-max\-request\-body=<SIZE>
 Set the maximum size of request body for API request.
 .sp
-Default: \fB16K\fP
+Default: \fB32M\fP
 .UNINDENT
 .SS DNS
 .INDENT 0.0

doc/nghttpx.1.rst

@@ -1328,7 +1328,7 @@ API
 
     Set the maximum size of request body for API request.
 
-    Default: ``16K``
+    Default: ``32M``
 
 
 DNS