a new article 'Make Visual Illusions Graphs in R'
renamed
tweak to the article , not graph, just picture
add a space after ##
add a space after ## and fix typo 'note'
fix typo 'article', delete was
delete blank line between list items.
Merge pull request #3 from yulijia/gh-pages

a new article 'Make Visual Illusions Graphs in R'