Fix jurassicpark after redesign

[bocharsky-bw]

This ticket solves https://github.com/KnpLabs/KnpUniversity/issues/1153

Diffs show many changes, but I only edited mink.php file where tweaked link names and CSS selectors. And I also added a big note to the course script

FYI, on 2 chapters we have video mismatch the course scripts: https://knpuniversity.com/screencast/behat/using-mink https://knpuniversity.com/screencast/behat/finding-elements

After mergeTODO

• [ ] We need to update each affected code block