doc: Add h2load man page

doc/Makefile.am

@@ -21,7 +21,7 @@
 # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
-man_MANS = nghttp.1 nghttpd.1 nghttpx.1
+man_MANS = nghttp.1 nghttpd.1 nghttpx.1 h2load.1
 
 EXTRA_DIST = \
 	mkapiref.py \

doc/h2load.h2m

+[SEE ALSO]
+
+nghttp(1), nghttpd(1), nghttpx(1)

doc/nghttp.h2m

 [SEE ALSO]
 
-nghttpd(1), nghttpx(1)
+nghttpd(1), nghttpx(1), h2load(1)

doc/nghttpd.h2m

 [SEE ALSO]
 
-nghttp(1), nghttpx(1)
+nghttp(1), nghttpx(1), h2load(1)

doc/nghttpx.h2m

 [SEE ALSO]
 
-nghttp(1), nghttpd(1)
+nghttp(1), nghttpd(1), h2load(1)

makemanpages

@@ -8,3 +8,6 @@ help2man --output=doc/nghttpd.1 --name="HTTP/2 experimental server" \
 
 help2man --output=doc/nghttpx.1 --name="HTTP/2 experimental proxy" \
     -N --include doc/nghttpx.h2m src/nghttpx
+
+help2man --output=doc/h2load.1 --name="HTTP/2 benchmarking tool" \
+    -N --include doc/h2load.h2m src/h2load