Modify Readme.md

Add a list of Gestalt laws ...
Add more links to the Readme
Add a couple of empty readme files
Add a readme file for each lecture
Add Links to Games of Perception
Excercises for Lecture 02
ignore solutions
Preview for Homework Solutions 02
Try to fix readme
Fix image links, for real
Fix links to exercises
Fix links to last exercise
Fix typo
Add examples and readmes to the tools section
Screenshots for OpenCV tools
Change tools order and add screenshot to the std filter section
Clean up
Fix Readme
homeworkerinos