KAFKA-1373; Set first dirty (uncompacted) offset to first offset of the
log if no checkpoint exists. Reviewed by Timothy Chen and Neha Narkhede.
KAFKA-1323; Fix regression due to KAFKA-1315 (support for relative
    directories in log.dirs property broke). Patched by Timothy Chen and
    Guozhang Wang; reviewed by Joel Koshy, Neha Narkhede and Jun Rao.
KAFKA-1356 Topic metadata requests takes too long to process; reviewed by Joel Koshy, Neha Narkhede, Jun Rao and Guozhang Wang
KAFKA-1365; Second Manual preferred replica leader election command always fails; reviewed by Joel Koshy.
KAFKA-1356 (Follow-up) patch to clean up metadata cache api; reviewed by
Jun Rao
KAFKA-1362; Publish sources and javadoc jars; (also removed Scala 2.8.2-specific actions). Reviewed by Jun Rao and Joe Stein
KAFKA-1355; Avoid sending all topic metadata on state changes. Reviewed
by Neha Narkhede, Timothy Chen and Guozhang Wang.
KAFKA-1398 dynamic config changes are broken.
KAFKA-1398 Dynamic config follow-on-comments.
KAFKA-1327 Add log cleaner metrics.
KAFKA-1356; follow-up - return unknown topic partition on non-existent
topic if auto.create is off; reviewed by Timothy Chen, Neha Narkhede and
Jun Rao.
KAFKA-1327; Log cleaner metrics follow-up patch to reset dirtiest log
cleanable ratio; reviewed by Jun Rao
bump kafka version to 0.8.1.1 in gradle.properties patch by Joe Stein reviewed by Joel Koshy
KAFKA-1308; Publish jar of test utilities to Maven. Jun Rao and Jakob Homan; reviewed by Neha Narkhede.