Update readme, add svn:ignore on the elgg_data directory.

README

@@ -5,7 +5,7 @@ Run the setup.sh script to symlink all the necessary plugins
 	./setup.sh
 Create a database named unl_social
 Import the full_dump.sql file*
-	mysql -u root unl_social < stable_dump.sql
+	mysql -u root unl_social < full_dump.sql
 Browse to the elgg directory in your web browser.
 Create the local elgg/.htaccess file using the sample on the install page
 	Be sure to set the correct RewriteBase /~bbieber/UNL_Elgg/elgg/ for example.