shlomi-fish-homepage / DONE

Diff from to


 * Create a block to license a project under t2/open-source/projects/ under
 the X11 licence.
+* Integrate building the lectures/presentations into the homepage.
+* Convert "The Enemy and How I Helped to Fight It" Hebrew/English to unicode
+    - WONTFIX
+* Fix the fact that the "Private Tutor HTML Ad" goes beyond the right
+* Fix the URLs that are spelt "fibonnaci" instead of "fibonacci".