http redirect for mediagoblin

src/freedombone

 
     # web config
     MEDIAGOBLIN_VIRTUAL_HOST=/etc/nginx/sites-available/$MEDIAGOBLIN_DOMAIN_NAME
-    echo 'server {' > $MEDIAGOBLIN_VIRTUAL_HOST
+    nginx_http_redirect $MEDIAGOBLIN_DOMAIN_NAME
+    echo 'server {' >> $MEDIAGOBLIN_VIRTUAL_HOST
     echo '  listen 443 ssl;' >> $MEDIAGOBLIN_VIRTUAL_HOST
     echo '  #################################################' >> $MEDIAGOBLIN_VIRTUAL_HOST
     echo '  # Stock useful config options, but ignore them :)' >> $MEDIAGOBLIN_VIRTUAL_HOST