Update changelog.md
Update changelog.md
refinery/refinerycms,Eric-Guo/refinerycms,Eric-Guo/refinerycms,anitagraham/refinerycms,refinery/refinerycms,refinery/refinerycms,stefanspicer/refinerycms,stefanspicer/refinerycms,stefanspicer/refinerycms,anitagraham/refinerycms,Eric-Guo/refinerycms,anitagraham/refinerycms