[NOP] code formatting
[INTERNAL] removed unnecessary 'std::fabs' calls (data is sorted by m/z); some more code formatting
[NOP] code formatting
[PARAM,FIX-#1060] added option to disable spacing constraints, disabled them for chromatograms (should fix #1060)
[TEST] adapted tests to new method signature ('check_spacings' flag)
[FIX,PARAM] usage of PeakPickerHiRes in PeakPickerMRM: disable spacing constraints (not suitable for chromatograms)
[TEST] added test case for chromatogram peak picking
[INTERNAL] small optimization
[FIX] removed unused variable
Merge pull request #1072 from hendrikweisser/fix-peakpicker-spacing

PeakPickerHiRes: disable spacing constraints for chromatograms (fixes #1060)