Use Apache 2.4 syntax

--- sample-config/httpd.conf.in.orig	Sat Jan  3 16:09:06 2015
+++ sample-config/httpd.conf.in	Mon May 16 13:58:22 2016
@@ -4,8 +4,7 @@ Alias @BASE_URL@ "@datarootdir@"
 
 <Directory "@datarootdir@">
    	AllowOverride None
-   	Order allow,deny
-   	Allow from all
+	Require all granted
    	#
    	# Use the same value as defined in nagios.conf
    	#