* Add TriggerPrice field when applying a split
If one stock is split in k parts, the new TriggerPrice in an order for that stock should be also scaled by a factor of k/10. It was made:
- Modify `DefaultBrokerageModel.ApplySplit()` to adjust `TriggerPrice` field
- Regression and unit test was added
* Check Limit Price for LimitIfTouched
* Nit change