Include license (KSG Cabal 1.3.0 - 3.1). Refs #196.

Include missing license in Cabal file.

yampa-test/yampa-test.cabal

@@ -1,3 +1,32 @@
+-- Copyright (c) 2017, Ivan Perez
+--
+-- All rights reserved.
+--
+-- Redistribution and use in source and binary forms, with or without
+-- modification, are permitted provided that the following conditions are met:
+--
+--     * Redistributions of source code must retain the above copyright notice,
+--       this list of conditions and the following disclaimer.
+--
+--     * Redistributions in binary form must reproduce the above copyright
+--       notice, this list of conditions and the following disclaimer in the
+--       documentation and/or other materials provided with the distribution.
+--
+--     * Neither the name of Ivan Perez nor the names of other contributors may
+--       be used to endorse or promote products derived from this software
+--       without specific prior written permission.
+--
+-- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+-- AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+-- IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+-- ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+-- LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+-- CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+-- SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+-- INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+-- CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+-- ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+-- POSSIBILITY OF SUCH DAMAGE.
 name:                yampa-test
 version:             0.13.3
 synopsis:            Testing library for Yampa.