Update documentation

README.md

@@ -4,21 +4,13 @@ This plugin will add a SWORD service to OJS. For now, it
 only provides a partial implementation of the SWORD ServiceDocument.
 
 ## Install and Test
-
-Check this repo out to `plugins/gateway`:
-
-    cd <path_to_ojs_root>/plugins/gateway
-    git clone https://github.com/quoideneuf/ojs_sword_server
-    cd ojs_sword_server
-    git clone https://github.com/swordapp/swordappv2-php-library
-    composer update
+Use the plugin gallery from within OJS to install the plugin.
 
 Enable the plugin under Settings -> Website -> Plugins ->  Gateway Plugins
 
 Start OJS on `localhost:8000` using the test database.
 
 Check out the SWORD client library and run tests:
 
-    git clone https://github.com/swordapp/swordappv2-php-library
     export SWORD_ENDPOINT_URL=http://localhost:8000/index.php/publicknowledge/gateway/plugin/swordServer
     composer test