Merge pull request #77 from yoavweiss/gh-pages

Fixed another typo and bikeshedded
Added img src to the source-set list update algorithm
Fixed review comments
Merge pull request #79 from yoavweiss/add_img_src_to_selection

Added img src/srcset to the source-set list update algorithm
Improved examples. Add 'w', remove Accessible text, Added alt text and src for img
merge