new demo paper
more edits
Memcache changes
add router node
add tests
clean up failure scenarios
updated task ID definition
Add headers
merge changes from master
extend context to use map string object instead of map string string
Merge branch 'master' of github.com:metamx/druid into better-context
[maven-release-plugin] prepare for next development iteration
Merge branch 'master' into demo-paper
fix typos
update document class for sigmod
update makefile to create sigmod zip file
add keywords
copyright placeholder
updated pdf
more updates