license issue

README.md

@@ -10,3 +10,7 @@ Requirements / Dependencies
 Installation
 ==============
 * setup required paths and 3rd-party dependencies via `initWorkspaceLibLinear.m` (if liblinear  is not found on your system, a possible code mirror is suggested)
+
+COPYRIGHT
+=========
+This software is licensed under the non-commercial license [Creative Commons Attribution 4.0 International License](http://creativecommons.org/licenses/by-nc-sa/4.0/). For usage beyond the scope of this license, please contact [Alex Freytag](http://www.inf-cv.uni-jena.de/freytag.html).