Merge pull request #9 from cc98-frontend-development/master

fix pre code overflow
update readme.md
Merge branch 'master' of github.com:jamesruan/ebony
update stylesheet for index.html
Merge pull request #8 from jamesruan/master

update ebony
Grammar:change line break into space
fix order for code highlight
Merge pull request #9 from jamesruan/master

fix order for code highlight
update highlight.js to v8.2
add HL support for Haskell and Swift