first edition of twitter public
temp
first version of epub
enable ToC and get subject from page
send ebook via mail
refactoring epub branch
more infomation in mail's subject

- novel's title
- first article's subject
support novel.naver.com
support challenge of naver novel
add link to original page in mail content and in ebook
support multiple email account
convert windows-style newline into unix style

- display paragraph properly
- rmove 'em' tags
bug fix: support multiple email account
add web UI

- add/remove email
change view engine from ejs to jade
add write's message
remove <em> tags from naver novels