updated quiz links

README.md

etc/TRANSLATIONS.md

lessons/1-Intro/README.md

lessons/1-Intro/translations/README.ja.md

lessons/2-Symbolic/README.md

lessons/3-NeuralNetworks/03-Perceptron/README.md

lessons/3-NeuralNetworks/04-OwnFramework/README.md

lessons/3-NeuralNetworks/05-Frameworks/Overfitting.md

lessons/3-NeuralNetworks/05-Frameworks/README.md

lessons/4-ComputerVision/06-IntroCV/README.md

lessons/4-ComputerVision/07-ConvNets/CNN_Architectures.md

lessons/4-ComputerVision/07-ConvNets/README.md

lessons/4-ComputerVision/08-TransferLearning/README.md

lessons/4-ComputerVision/09-Autoencoders/README.md

lessons/4-ComputerVision/10-GANs/README.md

lessons/4-ComputerVision/11-ObjectDetection/README.md

lessons/4-ComputerVision/12-Segmentation/README.md

lessons/5-NLP/13-TextRep/README.md

lessons/5-NLP/14-Embeddings/README.md

lessons/5-NLP/15-LanguageModeling/README.md