Single search result view (autocomplete results)

* Displays pager results fragment when auto complete item is clicked.
* Replaces existing PagerResultsFragment with new instance created by AutoCompleteAdapter.
* Moves AutoCompleteAdapter and PagerResultsFragment into package com.mapzen.search.
* Displays feature data for a single search result via autocomplete.
* Hides pagination and view all link for single search result view.

Additionally, this change set introduces ButterKnife for view injection.

* Injects views in PagerResultsFragment.
* Reduces boilerplate code for views.
* Improves testability.
* Updates checkstyle and lint to play nice with ButterKnife annotations.