New method AEvent::SetToT to determine time-over-threshold is added. Threshold is value of ampl on 50% of rising edge

small changes to AEvent::SmoothGraphs, new scripts to see channels correlations are added. 01 - ch0 and ch1 , 02 - ch0 and ch2 and so on

Function SmoothGraphs is added, script for viewing smoothed graphs is testShowSmooth.C  Also the fTimeMid variable is added (time in the middle of front edge)

Conflicts:
	macros/histCorr.C

AEvent: function for calculating charge by front time value is added. Script histCorrNew.C for new pictures is made

Conflicts:
	macros/testShowGraphs.cxx

Conflicts:
	macros/testShowGraphs.cxx

Merge branch 'master' of http://er.jinr.ru:90/vratislav.chudoba/NeuRad_tests

Conflicts:
	dataClasses/AEvent.h

Conflicts:
	macros/histCorr.C

Conflicts:
	macros/histCorr.C
	macros/testShowGraphs.cxx

AEvent::SetCFD() modified: signal modifications are now fully based on its graph and not on graph points