leveldb: ikey: convert ikey to []byte so that Printf will print the ikey content
leveldb: ikey: convert ikey to []byte so that Printf will print the ikey content

trigrass2/goleveldb,rentongzhang/goleveldb,chai2010/goleveldb,syndtr/goleveldb,zzl0/goleveldb,btcsuite/goleveldb,conseweb/goleveldb,ngaut/goleveldb,hustbill/goleveldb,no2key/goleveldb,FactomProject/goleveldb