Changes on CNS-PC30

Added x64 configs to dtwMex.sln in Visual C++.

Usage example for new dtw.m and dtw_wrapper.m
addpath dtwMex/x64/Release_CNS-PC30;
dtw_wrapper('C:\DATA\SEQPDS\SEQ03C07_behavioral\test8_31_STISP.wav',
'C:\DATA\SEQPDS\SEQ03C07_behavioral\trials_test8_scai.mat', '--show');