remove column environment in game_rule, pay_table, game_info
added column tr_id to pay_table, game_info, game_rule
added validates, add dependency in game_info, game_rule, pay_table
resolve conflict
add uniqueness to version in game_rule, pay_table, game_info
added destroy dependency in game, property, technical_release
added dependency of property in tr
initialized active admin
add all tables to active admin