move legacy builds to release target
move legacy builds to release target

haraldsteinlechner/FsPickler,FsUnity/Unity3d.FsPickler,nessos/FsPickler,nessos/FsPickler,cloudRoutine/Unity3d.FsPickler,cloudRoutine/Unity3d.FsPickler,haraldsteinlechner/FsPickler,FsUnity/Unity3d.FsPickler,wallymathieu/FsPickler,mbraceproject/FsPickler,wallymathieu/FsPickler