nuked placeholder line
add matching-obfuscated.
Merge branch 'gh-pages' of https://github.com/ga-students/FEWD_HK_3 into gh-pages
Memory Game Solution (Mart)
a simple version of memory game.
Prepare lesson 13.
Update the time for different sections.
Update the index.html for lesson 13 and 14.
Prepare lesson 14.
Some js completed examples which we have covered in the previous classes.
Merge branch 'gh-pages' of https://github.com/ga-students/FEWD_HK_3 into gh-pages