wrap TitleInfo in proper `container` class

Fixes bug in small-width Chrome where there will be a horizontal
overflow.
try Open Sans
add "site" badge in search result
revert from Open Sans to Helvetica
readlist: unset "loading" when ajax completes
show visited links in different color

Just lifted off Bootstrap's "warning" colors
remove console.log()
implement bookmarks API
create bookmarks route
add "Bookmark" button in Chapter route
implement Remove Bookmark
use pytaku-dev

- Edit `deploy` command to deploy to `pytaku-dev` instead of `pytaku` by
  default
- Update README to state that `pytaku` is the stable version and
  `pytaku-dev` the bleeding edge one.