(Adds protest, clashes) MANAMA, Jan 5 (Reuters) - Bahraini police fired rubber bullets and tear gas to scatter protesters who gathered outside the home of a Shi'ite Muslim opposition leader on Monday, witnesses said, after he was remanded in custody for a further 15 days. Around 100 protesters angry at the decision had assembled outside his house in the Manama suburb of Bilad al-Qadeem calling for his immediate release, according to a Reuters eyewitness, and clashes with police ensued. ...