Version 1.0.0


- [x] Improve reading UX
- [x] Remove dependency to bootstrap
- [x] Remove HTML5 cache (useless)
- [ ] Support of kramdown
- [ ] Support of footnotes
- [ ] Support of glossary
- [x] Improve sharing (dropdown menu)
- [x] Move exercises to a plugin
- [x] Move quizzes to a plugin
- [x] Sharing to instapaper
- More to come