added lorentz peak bench function in examples
added command line control of parameters to lorentz peak bench
Merge branch 'master' into lorentzbench
fixed lorentz example
Merge branch 'lorentzbench' into minos
added profile likelihood and better user control over lorentzpeak example
update to the stopping criteria codes: 0 and 1 means success, anything >=2 means partial success, anything < 0 is an error
support for errors in profile likelihood computation + improvements to the final confidence intervals selection, ref #30