Fixed minor bugs in migrations

db/migrate/20121022124254_aggregated_costs_migrations.rb

@@ -3,9 +3,6 @@ require 'open_project/plugins/migration_mapping'
 # This migration aggregates the migrations detailed in MIGRATION_FILES
 class AggregatedCostsMigrations < ActiveRecord::Migration
 
-  class IncompleteMigrationsError < ::StandardError
-  end
-
   def initialize
     super
     @issues_table_exists = ActiveRecord::Base.connection.tables.include? 'issues'

db/migrate/20130916094369_legacy_issues_costs_data_to_work_packages.rb

@@ -9,9 +9,9 @@
 # See doc/COPYRIGHT.rdoc for more details.
 #++
 
-require_relative 'migration_utils/utils'
+require Rails.root.join("db","migrate","migration_utils","utils").to_s
 
-class LegacyIssuesToWorkPackages < ActiveRecord::Migration
+class LegacyIssuesCostsDataToWorkPackages < ActiveRecord::Migration
 
   def up
     execute <<-SQL

db/migrate/20130918180542_legacy_variable_cost_object_journal_data.rb

@@ -19,9 +19,9 @@
 #++
 #
 
-require_relative 'migration_utils/legacy_journal_migrator'
+require Rails.root.join("db","migrate","migration_utils","legacy_journal_migrator").to_s
 
-class LegacyVariableCostObjectData < ActiveRecord::Migration
+class LegacyVariableCostObjectJournalData < ActiveRecord::Migration
 
   def up
     migrator.run