Move wallet::scan_chain completely to separate thread
Move wallet::scan_chain completely to separate thread

RemitaBit/Remitabit,camponez/bitshares,dacsunlimited/dac_play,dacsunlimited/dac_play,bitshares/bitshares-0.x,Ziftr/bitshares,frrp/bitshares,jakeporter/Bitshares,dacsunlimited/dac_play,Ziftr/bitshares,bitsuperlab/cpp-play,drltc/keyid,bitsuperlab/cpp-play,RemitaBit/Remitabit,RemitaBit/Remitabit,Ziftr/bitshares,jakeporter/Bitshares,denkhaus/bitsharesx,dacsunlimited/dac_play,camponez/bitshares,Ziftr/bitshares,bitshares/bitshares,bitsuperlab/cpp-play,bitsuperlab/cpp-play,FollowMyVote/bitshares,frrp/bitshares,bitshares/devshares,dacsunlimited/dac_play,bitsuperlab/cpp-play,dacsunlimited/dac_play,drltc/keyid,frrp/bitshares,FollowMyVote/bitshares,drltc/keyid,jakeporter/Bitshares,FollowMyVote/bitshares,bitshares/devshares,bitshares/devshares,RemitaBit/Remitabit,frrp/bitshares,bitshares/bitshares-0.x,bitshares/bitshares-0.x,FollowMyVote/bitshares,bitshares/bitshares,denkhaus/bitsharesx,frrp/bitshares,RemitaBit/Remitabit,bitshares/bitshares-0.x,bitshares/bitshares,denkhaus/bitsharesx,camponez/bitshares,frrp/bitshares,bitsuperlab/cpp-play,FollowMyVote/bitshares,bitshares/bitshares,bitshares/bitshares,FollowMyVote/bitshares,bitshares/devshares,bitshares/devshares,jakeporter/Bitshares,camponez/bitshares,jakeporter/Bitshares,bitshares/devshares,camponez/bitshares,jakeporter/Bitshares,bitshares/bitshares,denkhaus/bitsharesx,bitshares/bitshares-0.x,camponez/bitshares,RemitaBit/Remitabit,drltc/keyid,bitshares/bitshares-0.x