fixed the opCommunityTopicPlugin doesn't accept today's event
fixed the opCommunityTopicPlugin doesn't accept today's event


git-svn-id: 38a968196956c66a3568cc1d2db20d3de461394a@11215 8bbc783d-d51a-0410-adab-8fa69d43f207

nishizoe/opCommunityTopicPlugin,nishizoe/opCommunityTopicAddFileLinkPlugin,tejimaya/opCommunityTopicPlugin