deprecate use of quickPlot?

[achubaty]

quickPlot is likely to be removed soon from CRAN, and it will no longer be maintained. We are currently importing the following here:

SpaDES.core/NAMESPACE

Lines 387 to 392 in 9d8b33b

	importFrom(quickPlot,.objectNames)
	importFrom(quickPlot,.parseElems)
	importFrom(quickPlot,Plot)
	importFrom(quickPlot,clearPlot)
	importFrom(quickPlot,gpar)
	importFrom(quickPlot,whereInStack)

[achubaty]

started in branch no-quickPlot with a940293