Update man pages

doc/h2load.1

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-.TH "H2LOAD" "1" "April 10, 2016" "1.10.0-DEV" "nghttp2"
+.TH "H2LOAD" "1" "April 16, 2016" "1.10.0-DEV" "nghttp2"
 .SH NAME
 h2load \- HTTP/2 benchmarking tool
 .

doc/nghttp.1

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-.TH "NGHTTP" "1" "April 10, 2016" "1.10.0-DEV" "nghttp2"
+.TH "NGHTTP" "1" "April 16, 2016" "1.10.0-DEV" "nghttp2"
 .SH NAME
 nghttp \- HTTP/2 client
 .

doc/nghttpd.1

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-.TH "NGHTTPD" "1" "April 10, 2016" "1.10.0-DEV" "nghttp2"
+.TH "NGHTTPD" "1" "April 16, 2016" "1.10.0-DEV" "nghttp2"
 .SH NAME
 nghttpd \- HTTP/2 server
 .

doc/nghttpx.1

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-.TH "NGHTTPX" "1" "April 10, 2016" "1.10.0-DEV" "nghttp2"
+.TH "NGHTTPX" "1" "April 16, 2016" "1.10.0-DEV" "nghttp2"
 .SH NAME
 nghttpx \- HTTP/2 proxy
 .
@@ -1495,7 +1495,7 @@ Clear all existing request header fields.
 .UNINDENT
 .INDENT 7.0
 .TP
-.B push uri
+.B push(uri)
 Initiate to push resource identified by \fIuri\fP\&.  Only HTTP/2
 protocol supports this feature.  For the other protocols, this
 method is noop.  \fIuri\fP can be absolute URI, absolute path or

doc/nghttpx.1.rst

@@ -1357,7 +1357,7 @@ respectively.
 
         Clear all existing request header fields.
 
-    .. rb:method:: push uri
+    .. rb:method:: push(uri)
 
         Initiate to push resource identified by *uri*.  Only HTTP/2
         protocol supports this feature.  For the other protocols, this