Updated readme with information about attributes support
Updated readme with information about attributes support

cyrille-leclerc/jmxtrans-agent,dd00f/jmxtrans-agent,dd00f/jmxtrans-agent,jmxtrans/jmxtrans-agent,dd00f/jmxtrans-agent,jmxtrans/jmxtrans-agent,jmxtrans/jmxtrans-agent,cyrille-leclerc/jmxtrans-agent,cyrille-leclerc/jmxtrans-agent