Filters shorten list, fixed copy-paste error in comment.

The comment in `index.html` comes from shorten a string.
routing/accessing_route_params_within_components: NgOneWay enough for book-map attr
Merge pull request #9 from chalin/patch-2-bookcomp-ngoneway-enough

accessing_route_params_within_components: NgOneWay enough for book-map attr
Merge pull request #8 from chalin/patch-1-shorten-list-comment-fix

Filters shorten list, fixed copy-paste error in comment.
Added chalin to AUTHORS