PARIS — Less insouciant, more policed – France is a changed place since Islamic State extremists killed 130 people in the country’s deadliest attacks a year ago. Fearing it’s becoming more divided, too, survivors and victims’ families marked Sunday’s anniversary of the violence by pleading for national unity instead. Tourism is hurting, armed forces roam the streets and France is still under a state of emergency that rights groups call abusive and ineffective – and that the prime minister now says may be extended yet again. “We always have this fear that weighs heavily in our hearts.