SLSQP: Make intent of progress check more clear
SLSQP: Make intent of progress check more clear

JuKa87/OpenMx,jpritikin/OpenMx,mhunter1/OpenMx,mhunter1/OpenMx,mhunter1/OpenMx,mhunter1/OpenMx,jpritikin/OpenMx,JuKa87/OpenMx,jpritikin/OpenMx,JuKa87/OpenMx,jpritikin/OpenMx,mhunter1/OpenMx,mhunter1/OpenMx,jpritikin/OpenMx,JuKa87/OpenMx,JuKa87/OpenMx,JuKa87/OpenMx,jpritikin/OpenMx