Merge pull request ossu#448

* Update License file copyright year
* Remove duplicate "machine language" topic

Author: joshmhanson

LICENSE

@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2017 Open Source Society University
+Copyright (c) 2018 Open Source Society University
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

README.md

@@ -208,7 +208,6 @@ for how to progress through the course.
 `boolean algebra`
 `gate logic`
 `memory`
-`machine language`
 `computer architecture`
 `assembly`
 `machine language`