version bump to v1.3.1
version bump to v1.3.1

wavesplatform/Waves,alexeykiselev/WavesScorex,wavesplatform/Waves,alexeykiselev/WavesScorex,alexeykiselev/WavesScorex,B83YPoj/Waves,B83YPoj/Waves,B83YPoj/Waves,wavesplatform/Waves