Update LICENSE.md

Author: Bialogs

LICENSE.md

@@ -1,15 +1,9 @@
-NOTICE
+Licensed under the Apache-2.0 license.  
 
-© 2019-2020 The MITRE Corporation.
+Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:  
 
-Approved for Public Release; Distribution Unlimited. Case Number 18-3678.
-NOTICE
+- Redistributions of source code must retain the above copyright/ digital rights legend, this list of conditions and the following Notice.  
 
-MITRE hereby grants express written permission to use, reproduce, distribute, modify, and otherwise leverage this software to the extent permitted by the licensed terms provided in the LICENSE.md file included with this project.
-NOTICE
+- Redistributions in binary form must reproduce the above copyright copyright/ digital rights legend, this list of conditions and the following Notice in the documentation and/or other materials provided with the distribution.  
 
-This software was produced for the U. S. Government under Contract Number HHSM-500-2012-00008I, and is subject to Federal Acquisition Regulation Clause 52.227-14, Rights in Data-General.
-
-No other use other than that granted to the U. S. Government, or to those acting on behalf of the U. S. Government under that Clause is authorized without the express written permission of The MITRE Corporation.
-
-For further information, please contact The MITRE Corporation, Contracts Management Office, 7515 Colshire Drive, McLean, VA 22102-7539, (703) 983-6000.
+- Neither the name of The MITRE Corporation nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.