add config dir to gem
add config dir to gem

maicoin/money,richardvenneman/money,printercu/money,gregoryhappyfresh/money,antstorm/money,RubyMoney/money,paulodiniz/money,AlexVPopov/money,envato/money,kewaunited/money,nilbus/money,BrandyMint/money,bonusly/money,insphire/money,saizai/money