"reload" is now a response handler, fix conf files (fixes: #1300)

_example/etc/handler-apache2.4.conf

@@ -34,7 +34,8 @@ ErrorDocument 503 http://auth.__DNSDOMAIN__/lmerror/503
     # configuration change
     <Location /reload>
         Require ip 127 ::1
-        PerlHeaderParserHandler Lemonldap::NG::Handler->reload
+        SetHandler perl-script
+        PerlResponseHandler Lemonldap::NG::Handler->reload
     </Location>
 
     # Uncomment this to activate status module

_example/etc/handler-apache2.X.conf

@@ -41,7 +41,8 @@ ErrorDocument 503 http://auth.__DNSDOMAIN__/lmerror/503
             Deny from all
             Allow from 127.0.0.0/8 ::1
         </IfVersion>
-        PerlHeaderParserHandler Lemonldap::NG::Handler->reload
+        SetHandler perl-script
+        PerlResponseHandler Lemonldap::NG::Handler->reload
     </Location>
 
     # Uncomment this to activate status module

_example/etc/handler-apache2.conf

@@ -36,7 +36,8 @@ ErrorDocument 503 http://auth.__DNSDOMAIN__/lmerror/503
         Order deny,allow
         Deny from all
         Allow from 127.0.0.0/8 ::1
-        PerlHeaderParserHandler Lemonldap::NG::Handler->reload
+        SetHandler perl-script
+        PerlResponseHandler Lemonldap::NG::Handler->reload
     </Location>
 
     # Uncomment this to activate status module