bump ruby-2 gems
bump ruby-2 gems

MakeYourLaws/MakeYourLaws,saizai/MakeYourLaws,MakeYourLaws/MakeYourLaws,MakeYourLaws/MakeYourLaws,saizai/MakeYourLaws,MakeYourLaws/MakeYourLaws,saizai/MakeYourLaws,saizai/MakeYourLaws