Perhaps not all of you were desperately anticipating these sequels, but I'm pretty positive this news will make at least some of you very happy. First off, DreamWorks has officially announced a sequel to How to Train Your Dragon during their earnings call yesterday, saying that it'll drop into theaters in 2013. They also referred to this as a franchise, so I wouldn't be surprised if a third installment finds its way to theaters too. Seeing as How to Train Your Dragon has been getting very high marks from both audiences and critics, I don't think this sequel will find a lot of objections. However…