Update TODO.md
Update TODO.md
syng-io/ethereumj-android,swaldman/ethereumj,loxal/ethereumj,loxal/FreeEthereum,chengtalent/ethereumj,ddworken/ethereumj,loxal/FreeEthereum,gerbrand/ethereumj,ethereumj/ethereumj,ethereumj/ethereumj,caxqueiroz/ethereumj,BlockchainSociety/ethereumj-android,vaporry/ethereumj,swaldman/ethereumj,shahankhatch/ethereumj,loxal/FreeEthereum,fjl/ethereumj