Refactoring Tickets

- Tickets now independent from registration
- Implemented money gem
#419

spec/views/admin/supporter_levels/index.html.haml_spec.rb

@@ -1,12 +0,0 @@
-require 'spec_helper'
-
-describe 'admin/supporter_levels/index' do
-
-  it 'renders supporter levels' do
-    @support_level = create(:supporter_level)
-    assign :conference, @support_level.conference
-    render
-    expect(rendered).to include('Example Supporter Level')
-    expect(rendered).to include('www.example.com')
-  end
-end