HackerNews: Switch to hn.algolia.com's API.

- Removed the "More at ..." link at the bottom.
Hacker News: Change itemType to be more informative.

Also, I commented out the relevancy function. It was too strict.
Hacker News: Added more skip_words.
Hacker News: Added more skip_words.
Hacker News: Add comma.
Merge remote-tracking branch 'origin/jag/bttf/hacker_news' into jag/bttf/hacker_news

Conflicts:
	share/spice/hacker_news/hacker_news.js
Hacker News: Add "use stict"
Hacker News: Turn off relevancy. It's removing too many things.
Merge pull request #483 from duckduckgo/jag/bttf/hacker_news

Hacker News: Start using new API