add Search::Results module
remove old methods from Search module
use new coordinates in frontend
update views and controllers with new structure
remove unused dependencies in Gemfile
Show search results button state
Merge branch 'search-uses-raw-json' into frontend-do-over

* search-uses-raw-json:
  remove unused dependencies in Gemfile
  update views and controllers with new structure
  use new coordinates in frontend
  remove old methods from Search module
  add Search::Results module

Conflicts:
	app/assets/javascripts/modules/maps/search.js.coffee
	app/views/home/index.html.erb
	app/views/search/index.html.erb
	lib/modules/search.rb
	test/unit/search_test.rb