Add gem ahoy_matey and some dependencies

db/migrate/20150804144231_create_ahoy_events.rb

@@ -0,0 +1,20 @@
+class CreateAhoyEvents < ActiveRecord::Migration
+  def change
+    create_table :ahoy_events, id: false do |t|
+      t.uuid :id, default: nil, primary_key: true
+      t.uuid :visit_id, default: nil
+
+      # user
+      t.integer :user_id
+      # add t.string :user_type if polymorphic
+
+      t.string :name
+      t.jsonb :properties
+      t.timestamp :time
+    end
+
+    add_index :ahoy_events, [:visit_id]
+    add_index :ahoy_events, [:user_id]
+    add_index :ahoy_events, [:time]
+  end
+end