NsPc updates log

Author:Xin Pan
The program passed on Windows and edit by vs2015.

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1. Add reading a .pcm file and save as a .wav file.
   Date:2018-07-29
2. Modify the current file reading and saving mechanism. Now you can deliver a file folder as the input and the program will read all the files in the dir and save them at dest dir.
   Date:2018-07-30
3. Add cmd params input model. Support cmd params input model. User can specify the input filefolder and write filefolder. e.g. wav files save at E:\test\ and the first param will be E:\test\ ; the second param is the save path, for example the true save path is E:\test-out and the input param will be E:\test-out\