Added MPLv2 license to docs

Author: wtpisaac

ATTRIBUTION.md

@@ -1,6 +1,13 @@
 # Attributions for Sluggo
 The following includes licenses for all third-party depedencies on the frontend and backend of Sluggo.
 
+## Sluggo License (MPLv2)
+    Copyright (c) 2020 Slugbotics, All Rights Reserved.
+    see git repository history for individual committers
+    
+    Sluggo is licensed under the Mozilla Public License v2.0. You may obtain
+    a copy of this license here: https://www.mozilla.org/en-US/MPL/2.0/
+
 ## Axios License (MIT)
     Copyright (c) 2014-present Matt Zabriskie
 

README.md

@@ -1,4 +1,7 @@
 # Sluggo
+[![License: MPL 2.0](https://img.shields.io/badge/License-MPL%202.0-brightgreen.svg)](https://opensource.org/licenses/MPL-2.0)
+[![Platform: py4web](https://img.shields.io/badge/platform-py4web-informational.svg)](https://github.com/web2py/py4web)
+
 A modern, simple issue tracker for teams. App for the py4web framework.
 
 # Installation Instructions
@@ -20,5 +23,4 @@ graders to read through before giving our application a try.
 You can find attribution for third party libraries in ATTRIBUTION.md
 
 ## License
-Currently, Sluggo's rights are reserved to the Sluggo team, and of course to the CSE 183 course staff for testing.
-We are looking into various open source licenses, and will be sharing Sluggo as an open source project later.
+Sluggo is licensed under the Mozilla Public License v2; see LICENSE for details.