Add NPROF row to OutputTableWorkspace re #8397

row still to be populated with correct NPROF number

Signed-off-by: Karl Palmen <karl.palmen@stfc.ac.uk>
Get NPROF number into OutputTableWorkspace re #8397

Signed-off-by: Karl Palmen <karl.palmen@stfc.ac.uk>
Add unit test for NPROF re #8397

Signed-off-by: Karl Palmen <karl.palmen@stfc.ac.uk>
Remove warning about not processing NROF line re #8397

Signed-off-by: Karl Palmen <karl.palmen@stfc.ac.uk>
Use lexical_cast to get integer from string re #8397

Signed-off-by: Karl Palmen <karl.palmen@stfc.ac.uk>
Merge remote-tracking branch 'origin/feature/8397_nprof_number'