Add reload target (closes: #1060)

_example/etc/handler-nginx.conf

@@ -26,6 +26,7 @@ server {
     deny all;
     include /etc/nginx/fastcgi_params;
     fastcgi_pass unix:__FASTCGISOCKDIR__/llng-fastcgi.sock;
+    fastcgi_param LLTYPE reload;
   }
 
   # Client requests

fastcgi-server/sbin/llng-fastcgi-server

@@ -41,6 +41,10 @@ my %builder = (
         require Lemonldap::NG::Handler::Nginx;
         return Lemonldap::NG::Handler::Nginx->run( {} );
     },
+    reload => sub {
+        require Lemonldap::NG::Handler::Nginx;
+        return Lemonldap::NG::Handler::Nginx->reload();
+    },
     status => sub {
         require Lemonldap::NG::Handler::Nginx;
         return Lemonldap::NG::Handler::Nginx->status();