By Rae Wee SINGAPORE (Reuters) – The yen dipped slightly on Monday as the Bank of Japan (BOJ) kicked off its two-day monetary policy meeting, with traders nervously awaiting a decision on whether the dovish central bank could finally unwind its ultra-loose monetary settings. In the broader market, currencies started the week on a cautious note after large swings last week mainly driven by a slew of central bank meetings, which included rate decisions from the Federal Reserve, the European Central Bank (ECB) and the Bank of England (BoE). The yen fell 0.2% to 142.41 per dollar in early Asian tr…