right_2014_target = pd.DataFrame({'month': ['jan', 'feb', 'mar', 'apr',
    'may', 'jun', 'jul', 'aug', 'sep', 'oct', 'nov', 'dec'],
    '2014_target_val': [2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13]})
Plot Pandas DataFrame as Bar and Line on the same one chart