Move EvalDelta and LogItem our of basics, into transactions.

EvalDelta moved because we need to put a []SignedTxnWithAD inside it,
which would have been circular.  LogItem moved with it because it
seems appropriate - not a very "basic" type.  It is only in EvalDelta.

Author: jannotti

daemon/algod/api/server/v2/dryrun.go

@@ -571,7 +571,7 @@ func StateDeltaToStateDelta(sd basics.StateDelta) *generated.StateDelta {
 }
 
 // DeltaLogToLog EvalDelta.Logs to generated.LogItem
-func DeltaLogToLog(logs []basics.LogItem, appIdx basics.AppIndex) (*[]generated.LogItem, error) {
+func DeltaLogToLog(logs []transactions.LogItem, appIdx basics.AppIndex) (*[]generated.LogItem, error) {
 	if len(logs) == 0 {
 		return nil, nil
 	}

daemon/algod/api/server/v2/test/handlers_test.go

@@ -146,7 +146,7 @@ func TestGetBlockJsonEncoding(t *testing.T) {
 		Lsig: lsig,
 	}
 	ad := transactions.ApplyData{
-		EvalDelta: basics.EvalDelta{
+		EvalDelta: transactions.EvalDelta{
 			LocalDeltas: map[uint64]basics.StateDelta{
 				1: {"key": basics.ValueDelta{Action: 1}},
 			},