updating to repo
js function and gon works. graphs show up for each post and change when uploaded
removed useless instance variable
Merge pull request #42 from jongmini/gon_contd
user can only rate an item once
Merge pull request #43 from brucetoddlee/validate_like_uniqueness

user can only rate an item once
bar graph change dynamically thru ajax call
Merge pull request #44 from jongmini/canvas_contd

bar graph change dynamically thru ajax call
post page work
more css
merging joels changes