Add missing NOTICE.txt files and update copyright year to 2021

git-svn-id: https://svn.apache.org/repos/asf/turbine/fulcrum/trunk/factory@1890170 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/NOTICE.txt b/NOTICE.txt
new file mode 100644
index 0000000..29012dc
--- /dev/null
+++ b/NOTICE.txt
@@ -0,0 +1,6 @@
+Turbine Fulcrum Factory Component
+Copyright 2005-2021 The Apache Software Foundation.
+
+This product includes software developed at
+The Apache Software Foundation (http://www.apache.org/).
+