Update RELEASE_NOTES.md
Update RELEASE_NOTES.md

tpetricek/FSharp.Data,taylorwood/FSharp.Data,AtwooTM/FSharp.Data,tpetricek/FSharp.Data,scrwtp/FSharp.Data,taylorwood/FSharp.Data,taylorwood/FSharp.Data,scrwtp/FSharp.Data,AtwooTM/FSharp.Data,scrwtp/FSharp.Data,AtwooTM/FSharp.Data,tpetricek/FSharp.Data