* Add Berkeley's CS61 Data Structures free course

* Add LouvainX courses on Computer programming paradigms

* Add MIT's Software construction in Java course

* Add Advanced Software Construction course

* Change Algorithmic to Algorithms and Data Structures

* Add software engineering section with 4 courses

* Fix to alphabetically order courses

* Add computer science theory section

* Add theory section to index

* Add compilers section with course

* Fix spacing for Theory courses

* Fix alphabetical ordering

* Add Data Structures PDF by Paul Hilfinger from Berkeley