* Nikkei rises 1.3 pct, Topix up 1.5 pct * Exporters gain as yen hits 7-month low vs dollar * Japan Tobacco jumps to 3-month high as govt delays sales By Dominic Lau TOKYO, Nov 19 (Reuters) - The Nikkei average climbed 1.3 percent to a two-month high on Monday on growing expectations that Japan's main opposition party will win next month's election and increase pressure on the central bank to ease monetary policy. A call by Liberal Democratic Party (LDP) leader Shinzo Abe fo