Updated license to Apache 2 as for the rest of Waves projects.
Updated license to Apache 2 as for the rest of Waves projects.

wavesplatform/WavesGUI,beregovoy68/WavesGUI,wavesplatform/UpcoinWallet,wavesplatform/UpcoinWallet,wavesplatform/WavesGUI,beregovoy68/WavesGUI,wavesplatform/WavesGUI,beregovoy68/WavesGUI,wavesplatform/WavesGUI,beregovoy68/WavesGUI