Refs #8449 Redid changes starting from updated master

modified:   LoadSassena.h
modified:   LoadSassena.cpp
Refs #8449 Python test fails, remove changes until problem fixed
Refs #8449 Cmakefile commented until I figure out the error
Refs #8449 Addd extra check in confidence method
Merge remote-tracking branch 'origin/feature/8449_sassena_stamp_removal'