By Nidal al-Mughrabi, Arafat Barbakh and Dan Williams CAIRO/GAZA/JERUSALEM (Reuters) -Israeli jets intensified attacks on central Gaza on Sunday, residents and medics said, as battles raged through the rubble of towns and refugee camps in a war Israeli Prime Minister Benjamin Netanyahu said would take “many more months” to end. Netanyahu’s comments signal no let-up in a campaign that has killed many thousands and levelled much of Gaza, while his vow to restore Israeli control over the enclave’s border with Egypt raises new questions over an eventual two-state solution. The Israeli military wil…