By Sylvia Westall KUWAIT (Reuters) - After two lackluster decades, Kuwait is experiencing a quiet revival of an arts scene once known as the most avant garde in the Gulf, thanks to a new generation eager to tackle sensitive issues using cutting-edge art forms. The artists have been exhibiting works in the graphic arts, photography, animation and fashion in private galleries but also bypassing traditional venues and arts groups - and possible censorship - by showing their work online to reach an audience beyond the 3.7 million people in Kuwait. ...