Utility function to store a new .plist file and load it

    :param label: job label
    :param plist: a property list dictionary

def install(label, plist):
    '''
    Utility function to store a new .plist file and load it

    :param label: job label
    :param plist: a property list dictionary
    '''
    fname = launchd.plist.write(label, plist)
    launchd.load(fname)