Show log on console when using cui version.

[yujinlin0224]

When waifu2x-caffe cui version is running, it will show nothing on console. Please print some imfomation about what is the file process now or/and that progress ...etc. Like: Processing folder "\<foldername>" with \<CPU|GPU|cuDNN>... Filename: \<foldername>\example1.jpg Size: 1280x720 Mode: noise & scale NoiseLevel: 2 Model: models/upconv_7_anime_style_art_rgb OutputSize: 1920x1080 OutputName: \example1.png TTA: yes Process: |▉▉▉▉▉▉▉▉▉▉▉▉▉▉▉▉▉▉▉▉| 100%...Sussesed Filename: \<foldername>\example2.jpg Size: 1280x720 Mode: noise & scale NoiseLevel: 2 Model: models/upconv_7_anime_style_art_rgb OutputSize: 1920x1080 OutputName: \example2.png TTA: yes Process: |▉▉▉▉▉　　　　　　　　　　　　　　　| 25%...Error Error Message: \<errormessage> Filename: \<foldername>\example3.jpg Size: 1280x720 Mode: noise & scale NoiseLevel: 2 Model: models/upconv_7_anime_style_art_rgb OutputSize: 1920x1080 OutputName: \example3.png TTA: yes Process: |▉▉▉▉▉▉▉▉▉▉　　　　　　　　　　| 50%...00:05:24 left