Add the merge upstream details on lesson 5.
No need to have the match-up class.
Prepare lesson 7 and 8.
Added some float characteristics
Updated to reflect FEWD4 days
Introduce js events before the cash register example.
Merge branch 'gh-pages' of https://github.com/ga-students/FEWD_HK_4 into gh-pages
Merge branch 'gh-pages' of https://github.com/ga-students/FEWD_HK_4 into gh-pages
Implemented RPS on pre-layout.
Added jquery functions to make text update easier and easier to control click event.