Re-factor the OpenCL quality test spreadsheet generating code
Re-factor the OpenCL quality test spreadsheet generating code

Be more elegant, avoid hardcoding stuff, use more C++ features.

(Not complete yet. Only did the math and trig functions and arithmetic ops so
far. New style test generation for AVERAGE, SUM etc not yet done. Old code
still left in #if 0 for reference.)

Change-Id: I50068852eacf7f0212b2a7ea077021713c8e9978

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core