WIP: Inclusion Of Provider + Suggestion + External Package Trigger API

WIP: This PR will address #10 and #18.

- [x] Add Provider
- [x] Add Suggestion
- [x] Update autocomplete.coffee
- [ ] Decouple default autocompletion from view
- [ ] Add Provider API to view
- [ ] Add FuzzyProvider
- [ ] Add simple-select-list-view
- [ ] Establish and document events
- [ ] Make Provider API asynchronous + event-based
- [ ] Make View display asynchronous + event-based