Fixed maven build when druid is integrated as a submodule
update guava, java-util, and druid-api
Merge branch 'master' of github.com:metamx/druid into new-guava
add dependencies for validator error
address code review
update dep version
fix post aggs with group by in #472
remove commented out code
cleaner way of implementing things
fix bugs wtih js and card aggs
hdfs data segment killer

implement hdfs data segment killer
delete the parent directory
initial query cancellation commit
handle query interruption at cursor level
proper closing of resources in case of query cancellation
pass through errors from computes in DirectDruidClient
formatting
proper query exceptions and add support for query timeout
properly remove completed queries from query manager
return proper json errors to propagate query cancellation and timeout