System information (version)

• OpenCV => 3.3.0-rc
• Operating System / Platform => ubuntu16.04
• Compiler => ❔

Detailed description

dnn::tutorials some files not found
at tutorial_dnn_googlenet
these files are not found
caffe_googlenet.cpp
bvlc_googlenet.prototxt
synset_words.txt.

Steps to reproduce

open this page
https://github.com/opencv/opencv/blob/3.3.0-rc/modules/dnn/tutorials/tutorial_dnn_googlenet.markdown

click these links
that can be downloaded "here".
download GoogLeNet model files: "bvlc_googlenet.prototxt"
classes: "synset_words.txt".