Facebook had released a separate mobile app for Facebook Chat a few months ago. Now, it has a Facebook Messenger for Windows. What this means? Death of Windows Live Messenger. I have less than 10 friends on it now. I can uninstall RockMelt. Don’t get me wrong. I love RockMelt. However, the main draw to RockMelt for me is its integrated chat function. Now that there is a native desktop application, I can junk the browser and switch back to …