Mojang have announced that you won't be able to login to Minecraft while they are doing database updates! Here is the news post:
For Australians this means that the login servers will be down from 4PM - 8PM AEST Time April 14th. So if you want to play Sky Servers during that time make sure you are logged in before the updates start!
It's probably a reward you've got for obtaining a number of likes or posts, Paps. You can find all the fourm point rewards themselves here: [link] (I'll just need a staff member to kindly remove my post below )