minor changes and bug fixes
- TGRSIint: control-c calls abort() before/instead of gApplication->Terminate()
- Descant:  switching order of samples when filling the hits
- scripts.cxx: added DrawNextDescant function that draws the waveform with switched order of samples
Merge branch 'master' of github.com:pcbend/GRSISort
switched back to new status message for analysis