haproxy: upgrade haproxy to version 1.5.0
	- includes support for SSL Termination, Compression Offloading, OCSP
	  Stapling support and much more

Signed-off-by: Thomas Heil <heil@terminal-consulting.de>
Merge pull request #39 from heil/master

haproxy: upgrade haproxy to version 1.5.0