Changes from code review.
Merge pull request #60 from sandyphan/master

Renamed of files, load tests from json file using jquery
Merge pull request #61 from SHeimlich/master

Changes from code review added to this folder.
removed unnecessary contents, fixed links due to renaming, word wrapped texts
renamed pageLoad.js to page-load.js and modified loadContent function according to changes in try-it-yourself.js
word wrapped contents into 80 chars, fixed indentations
moved files into correct directory
added more checkpoint tests for sequence exercise
removed unused try-it-yourself.js from certain pages, fixed css link
edit some contents such that animation divs now display
updated page-load.js with updated version from code review
made items in references to load dynamically as well
making an invisible div to state how many animation divs will there be in the exercises
put properties of new Animation() into a table
clean up of codes