Add: Frida
Add: Amazon: Dart for Absolute Beginners [Paperback]: David Kopec
feat(script) : rewrite viewer based on knockout
feat(data-bind) : detect isVisited link
feat(copy) : copy as html/markdown
chore(template): fix markdown template
Merge branch 'feature/8' into gh-pages

Conflicts:
	data/2014/01/index.html
	data/2014/01/index.json