Update License and Readme

Author: rlabrecque

LICENSE.txt

@@ -1,4 +1,4 @@
- * Riley Labrecque - 2013 - Public Domain
+ * Riley Labrecque - 2015 - Public Domain
  *
  * This software is in the public domain. Where that dedication is not
  * recognized, you are granted a perpetual, irrevokable license to copy

README.md

@@ -1,10 +1,10 @@
 Steamworks.NET Example
 =======
 
-This is a sample project for [Steamworks.NET](https://github.com/rlabrecque/Steamworks.NET) it is intended to show functionality and a potential usage scenario.
+This is a sample project for [Steamworks.NET](//github.com/rlabrecque/Steamworks.NET) it is intended to show functionality and a potential usage scenario.
 
 It is heavily based upon the Steamworks Example 'SpaceWar' included with the Steamworks SDK. It currently only features the `StatsAndAchievements` class from SpaceWar.
 
-This sample is licensed under the Public Domain (where acceptable.) Please view [LICENSE.txt](https://github.com/rlabrecque/Steamworks.NET-Example/master/LICENSE.txt) for more details.
+This sample is licensed under the Public Domain (where acceptable.) Please view [LICENSE.txt](LICENSE.txt) for more details.
 
-This project was built with Unity 4.3. As such it is only expected to build and run without issue on Unity 4.3 or later.
+This project was built with Unity 4.6. As such it is only expected to build and run without issue on Unity 4.6 or later.