Refactoring Tickets

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

config/initializers/money.rb

@@ -0,0 +1,52 @@
+# encoding : utf-8
+
+MoneyRails.configure do |config|
+
+  # To set the default currency
+  #
+  config.default_currency = :usd
+
+  # Set default bank object
+  #
+  # Example:
+  # config.default_bank = EuCentralBank.new
+
+  # Add exchange rates to current money bank object.
+  # (The conversion rate refers to one direction only)
+  #
+  # Example:
+  # config.add_rate "USD", "CAD", 1.24515
+  # config.add_rate "CAD", "USD", 0.803115
+
+  # To handle the inclusion of validations for monetized fields
+  # The default value is true
+  #
+  # config.include_validations = true
+
+  # Default ActiveRecord migration configuration values for columns:
+  #
+  # config.amount_column = { prefix: '',           # column name prefix
+  #                          postfix: '_cents',    # column name  postfix
+  #                          column_name: nil,     # full column name (overrides prefix, postfix and accessor name)
+  #                          type: :integer,       # column type
+  #                          present: true,        # column will be created
+  #                          null: false,          # other options will be treated as column options
+  #                          default: 0
+  #                        }
+  #
+  # config.currency_column = { prefix: '',
+  #                            postfix: '_currency',
+  #                            column_name: nil,
+  #                            type: :string,
+  #                            present: true,
+  #                            null: false,
+  #                            default: 'USD'
+  #                          }
+
+  # Set money formatted output globally.
+  # Default value is nil meaning "ignore this option".
+  # Options are nil, true, false.
+  #
+  # config.no_cents_if_whole = nil
+  # config.symbol = nil
+end