Added readme with download links to the models

colorization/README.md

+# Colorization
+
+See the Jupyter Notebook "Image_Colorization.ipynb" for general usage info.
+
+## Download training images
+
+Run "models/colored_postcards/download_color.py" to download training images in 256 × 256 pixel resolution
+
+## Download trained models
+
+We host three colorizer models on our webserver:
+- <a href='https://labs.onb.ac.at:10443/static/media/colorize/colorization_release_v2-9b330a0b.pth'>ECCV16</a> (by R. Zhang et al.)
+- <a href='https://labs.onb.ac.at:10443/static/media/colorize/siggraph17-df00044c.pth'>SIGGRAPH17</a> (by R. Zhang et al.)
+- <a href='https://labs.onb.ac.at:10443/static/media/colorize/col_new.pth'>Our trained model</a>
+