component/haproxy: major version up 1.8.1, including HTTP/2 support.

component/haproxy/buildout.cfg

@@ -12,8 +12,8 @@ parts = haproxy
 
 [haproxy]
 recipe = slapos.recipe.cmmi
-url = http://www.haproxy.org/download/1.7/src/haproxy-1.7.9.tar.gz
-md5sum = a2bbbdd45ffe18d99cdcf26aa992f92d
+url = http://www.haproxy.org/download/1.8/src/haproxy-1.8.1.tar.gz
+md5sum = e42892d4b6ee33200fccaa1d81837e49
 configure-command = true
 # If the system is running on Linux 2.6, we use "linux26" as the TARGET,
 # otherwise use "generic".