KAFKA-1126 Remove the DISCLAIMER it is left over from incubation reviewed by Neha
KAFKA-1131 copy license and notice to the release files, reviewed by David Arthur
KAFKA-1133 LICENSE and NOTICE files need to get into META-INF when jars are built before they're signed for publishing to maven reviewed by Joel Koshy
Merge remote-tracking branch 'upstream/0.8' into 0.8