[RF] add profile_mcmc to .gitignore since it is binary
[RF] add profile_mcmc to .gitignore since it is binary

esc/Psignifit-3.x,esc/Psignifit-3.x,esc/Psignifit-3.x,esc/Psignifit-3.x,esc/Psignifit-3.x,esc/Psignifit-3.x