This allows to spawn a parallel strat from the root of trading advisor plugin.
*Yeah, for those who saw this earlier: that old method was complicated. Now we are talking about USABILITY :333
replace your plugins/tradingAdvisor/tradingAdvisor.js by the version show here;
look at dfMACD strat for usage;
@plugins/tradingAdvisor/baseTradingMethod.js: you need to comment following lines for this to work.