Lately, there have been rumblings that much-beloved Twitter might start to turn a little evil and begin to compete with the huge economy of third-party apps that has sprung up around the service. Well, it looks like those rumors are at least partly true, as today Twitter announced an official Blackberry client. Here’s a list of the app’s features: Real-time BlackBerry push of Twitter direct messages Camera and photo gallery integration Browser integration for Tweeting links Customizable interface for changing fonts, hiding tool bars, etc. Inbox integration so you can read your Twitter direct…