Merge pull request #944 from floydtree/artifact_cleanup

OCSF schema repo artifact cleanup

NOTICE

@@ -1,4 +1,15 @@
-Open Cybersecurity Schema Framework v0.9.0
-This content includes the ICD Schema developed by Symantec, a division of Broadcom.
-The schema WEB server code is available under the Apache 2 license.
-Refer to the Apache 2 license in the file LICENSE.
+Open Cybersecurity Schema Framework
+
+This project includes the ICD Schema developed by Symantec, a division of Broadcom.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.