Updated the PDF document
Added links to better aid students
Merge pull request #11 from shovon/rgb-hsv-fix

Some updates to help students
added assignment 2
added assignment 2
added link to assignment 2
added lecture slides
updated links
added link
Added lecture 6
added assignment 3
added link to assignment 3
minor change
Update assignment-3.html
Update assignment-3.html
file added
Ignoring all DS_Store files