Merge branch 'master' of github.com:ga-students/BEWD_2_HK
added homework for week3
updated proposal.txt
updated files
Merge branch 'master' of github.com:ga-students/BEWD_2_HK
week 3 updates
Merge pull request #21 from chrischeuk/master

mid-term completed
Merge pull request #22 from yeechan288/master

Week 3 updates
move files from lessons dir into student dir
Merge pull request #23 from calvinhcma/master

Homework: week 3
move homeworks into a top-level dir
add lesson 6 materials
add lesson 7 resources and homework
link to midterm
add bonus work to lesson 7 homework
add inheritence