Merge pull request #1 from borisyankov/master

Update my fork
Merge pull request #2 from borisyankov/master

a
Merge pull request #3 from borisyankov/master

a
Update typeahead.d.ts

Implement typeahead.js bloodhound suggestion engine: https://github.com/twitter/typeahead.js/blob/master/doc/bloodhound.md
Take input from here: https://github.com/borisyankov/DefinitelyTyped/pull/2239 with some modifications.
Merge pull request #2771 from Saftpresse99/master

Implement typeahead bloodhount