Dear Active Resource, It's not that I hate you or anything, but you didn't get much attention lately. There're so many alternatives out there, and I think people have made their choice to use them than you. I think it's time for you to have a big rest, peacefully in this Git repository. I will miss you, @sikachu.
Also add missing entries and use the formating convention
Reasons: * Markdown reads well as plain text, but can also be formatted. * It will make it easier for people to read on the web as Github formats the Markdown nicely. * It will encourage a level of consistency when people are writing CHANGELOG entries. The script used to perform the conversion is at https://gist.github.com/1339263