* Rename io.druid to org.apache.druid. * Fix META-INF files and remove some benchmark results. * MonitorsConfig update for metrics package migration. * Reorder some dimensions in inner queries for some reason. * Fix protobuf tests.
* Update license headers. For compliance with http://www.apache.org/legal/src-headers.html. * More license adjustments. * Fix mistakenly edited package line.