OrderSend is partially supported for market orders
support protection for market order
support MagicNumber for market orders
support MagicNumber for orders
support slippage for market orders
support OrderSend for pending orders
fix EMPTY_VALUE and Symbol()
fix bool parameters
fix ObjectGetValueByShift
Merge remote-tracking branch 'origin/indicators_only' into indicators_only

Conflicts:
	Presenter/Templates/Indicator/DataSeries/Mq4OutputDataSeries.c
fix merge