Introduce Booths for admin

spec/factories/booths.rb

@@ -0,0 +1,15 @@
+FactoryGirl.define do
+  factory :booth do
+    title { Faker::Hipster.sentence }
+    description { Faker::Lorem.paragraph }
+    reasoning { Faker::Lorem.paragraph }
+    website_url { Faker::Internet.url }
+    submitter_relationship { Faker::Lorem.paragraph }
+
+    conference
+
+    after(:build) do |booth|
+      booth.responsibles << create(:user)
+    end
+  end
+end