renaming list topics, moved a few things from topic 2 to topic 3
original bjc recursion II topic
original bjc recursion III input; recursion II fixed (/r/ -> /bjc-r/)
import of original bjc : topic 16 applications that chagned the world
original bjc -- import lesson 17
original bjc : import topic 18
update on original bjc topic 18
original bjc : topic 19
original bjc -- special topics
original bjc - simulation sharks fish topic
adding todo on bioinformatics
original bjc - import of bioinformatics
Merge branch 'gh-pages' of https://github.com/beautyjoy/bjc-r into temp
Bunch of CSS.