Drop earlier (unwanted) messages from fetched messagesets
Added more metrics to statistics

 * toppar: outbuf_msg_cnt
 * toppar: waitresp_msg_cnt
 * handle: name
 * handle: type
 * handle: msg_cnt
 * handle: msg_max
Dont require auto.commit.enable for stored offsetting (issue #171)
remove "executable" attribute from source files

more or less cosmetic...
Merge pull request #174 from rgerhards/cosmetics

remove "executable" attribute from source files