Update RELEASE-NOTES.md
Update RELEASE-NOTES.md

Fixed Release-Notes's dates.
tuchida/rhino,sainaen/rhino,sainaen/rhino,tuchida/rhino,sainaen/rhino,sainaen/rhino,tuchida/rhino,sainaen/rhino,AlexTrotsenko/rhino,AlexTrotsenko/rhino,AlexTrotsenko/rhino,sainaen/rhino,tuchida/rhino,AlexTrotsenko/rhino,AlexTrotsenko/rhino,tuchida/rhino,tuchida/rhino,AlexTrotsenko/rhino,sainaen/rhino,tuchida/rhino,AlexTrotsenko/rhino