rename grid to network (for consistency) and activity to stream (as seen in osada) because it makes much more sense.

Zotlabs/Update/_1222.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace Zotlabs\Update;
+
+use Zotlabs\Lib\Apps;
+
+class _1222 {
+
+	function run() {
+
+		q("START TRANSACTION");
+
+		$r1 = q("DELETE FROM app WHERE app_name = 'Grid' and app_system = 1");
+
+		if($r1) {
+			q("COMMIT");
+
+			Apps::import_system_apps();
+
+			return UPDATE_SUCCESS;
+		}
+
+		q("ROLLBACK");
+		return UPDATE_FAILED;
+
+	}
+
+}