moved SDPreCal from global scope to namespace rspt
added missing namespace
working but ugly code for precalibration needs cleaning
added test environment for precalibration
cleaned precal  code still working

	*precal now only need the x position instead of x and y of the line
added hard coded debug option
added option to preset sigma in function fitPeaks
port all necessary dragon function into rad-spec-tools

	*SDCalibrator: used to generate all calibration functions
		-cal_e2ch
		-cal_ch2e
		-rescal_fch2fch
		-rescal_fe2e

	*SDMultiLineFitter: devides a histogram into sub ranges and fit
		contained peaks inside of the range

	*SDFitData: stores the fit function and assures the acces to the
		 parameter

	*rsptutils: contains some helper functions
expand the test to the new classes which was ported from dragon/fixed bug in genmap
Merge pull request #1 from tquante/calibration-Thomas_Lucia

Calibration thomas lucia