added ASSET_BALANCE and UNCONFIRMED_ASSET_BALANCE events, fixed possible asset and unconfirmed asset balance calculation bug
added ASSET_BALANCE and UNCONFIRMED_ASSET_BALANCE events, fixed possible asset and unconfirmed asset balance calculation bug

duckx/nxt,Ziftr/nxt,fimkrypto/nxt,dmkaplan2000/nxt_dmk,Ziftr/nxt,dmkaplan2000/nxt_dmk,metrospark/czarcraft,metrospark/czarcraft,fimkrypto/nxt,metrospark/czarcraft,fimkrypto/nxt,Ziftr/nxt,duckx/nxt,duckx/nxt,fimkrypto/nxt,dmkaplan2000/nxt_dmk