KAFKA-216: Add nunit license to the NOTICE file.

git-svn-id: https://svn.apache.org/repos/asf/incubator/kafka/trunk@1208878 13f79535-47bb-0310-9956-ffa450edef68

LICENSE

@@ -265,3 +265,32 @@ SUCH DAMAGE.
  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 ------------------------------------------------------------------------
+
+For Nunit, used in clients/csharp: zlib/libpng license
+
+Copyright (c) 2002-2004 James W. Newkirk, Michael C. Two, Alexei A. Vorontsov, 
+Charlie Poole
+Copyright (c) 2000-2004 Philip A. Craig
+
+This software is provided 'as-is', without any express or implied warranty. In 
+no event will the authors be held liable for any damages arising from the use 
+of this software.
+
+Permission is granted to anyone to use this software for any purpose, including 
+commercial applications, and to alter it and redistribute it freely, subject to 
+the following restrictions:
+
+1. The origin of this software must not be misrepresented; you must not claim 
+that you wrote the original software. If you use this software in a product, an 
+acknowledgment (see the following) in the product documentation is required.
+
+Portions Copyright © 2002 James W. Newkirk, Michael C. Two, Alexei A. Vorontsov
+or Copyright © 2000-2002 Philip A. Craig
+
+2. Altered source versions must be plainly marked as such, and must not be 
+misrepresented as being the original software.
+
+3. This notice may not be removed or altered from any source distribution.
+
+------------------------------------------------------------------------
+

NOTICE

@@ -35,3 +35,8 @@ This product includes asm, developed by OW2 consortium
 
 This product includes sbt, developed by Mark Harrah
 (https://github.com/harrah/xsbt/wiki)
+
+This product includes Nunit, developed by Charlie Pool, James W.
+Newkirk, Michael C. Two, Alexei A. Vorontsov and Philip A. Craig.
+(www.nunit.org)
+