removed frameon attribute from plot confusion matrix which was giving an error with matplotlib version
removed frameon attribute from plot confusion matrix which was giving an error with matplotlib version

iarroyof/lxmls-toolkit,LxMLS/lxmls-toolkit,ramon-astudillo/lxmls-toolkit,SimonSuster/lxmls-toolkit,LxMLS/lxmls-toolkit,daviddao/LxMLS-labs-solution,daviddao/LxMLS-labs-solution,SimonSuster/lxmls-toolkit,iarroyof/lxmls-toolkit,oplatek/lxmls-toolkit,chrishokamp/lxmls-toolkit,SimonSuster/lxmls-toolkit,iarroyof/lxmls-toolkit,ramon-astudillo/lxmls-toolkit,oplatek/lxmls-toolkit,chrishokamp/lxmls-toolkit,oplatek/lxmls-toolkit,iarroyof/lxmls-toolkit,LxMLS/lxmls-toolkit,ramon-astudillo/lxmls-toolkit,daviddao/LxMLS-labs-solution,daviddao/LxMLS-labs-solution,oplatek/lxmls-toolkit,chrishokamp/lxmls-toolkit,chrishokamp/lxmls-toolkit