[JURIST] The American Civil Liberties Union of Georgia (ACLUGA) [advocacy website] filed a lawsuit [complaint, PDF; press release] Tuesday on behalf of a Muslim woman who was arrested for refusing to remove her headscarf [JURIST news archive], or hijab, in court. Lisa Valentine was arrested in December 2008 and ordered to serve 10 days in jail for contempt of court after she refused to remove her headscarf upon entering a security checkpoint in an Atlanta courtroom. Douglasville Municipal Court [official…