added 2nd license (also BSD 3-Clause)

Author: jnhwkim

GRU.lua

@@ -1,5 +1,8 @@
 ------------------------------------------------------------------------
 --[[ GRU ]]--
+-- Author: Jin-Hwa Kim
+-- License: LICENSE.2nd.txt
+
 -- Gated Recurrent Units architecture.
 -- http://www.wildml.com/2015/10/recurrent-neural-network-tutorial-part-4-implementing-a-gruGRU-rnn-with-python-and-theano/
 -- Expects 1D or 2D input.

LICENSE.2nd.txt

@@ -0,0 +1,31 @@
+Copyright (c) 2016 NAVER Corp. and Seoul National University R&DB Foundation
+All rights reserved.
+
+Author: [email protected] (Jin-Hwa Kim)
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright
+   notice, this list of conditions and the following disclaimer.
+
+2. 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.
+
+3. Neither the names of NAVER Corp. and Seoul National University R&DB 
+   Foundation nor the names of its 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.

TrimZero.lua

@@ -1,5 +1,8 @@
 ------------------------------------------------------------------------
 --[[ TrimZero ]]--
+-- Author: Jin-Hwa Kim
+-- License: LICENSE.2nd.txt
+
 -- Decorator that zeroes the output rows of the encapsulated module
 -- for commensurate input rows which are tensors of zeros