fix DruidSetup not working
[maven-release-plugin] prepare release druid-0.4.12.5
Merge tag 'druid-0.4.12.5'

[maven-release-plugin]  copy for tag druid-0.4.12.5

Conflicts:
	client/pom.xml
	common/pom.xml
	examples/pom.xml
	index-common/pom.xml
	indexer/pom.xml
	merger/pom.xml
	pom.xml
	realtime/pom.xml
	server/pom.xml
	services/pom.xml
[maven-release-plugin] prepare release druid-0.4.18
[maven-release-plugin] prepare for next development iteration
add default cassandra configs
[maven-release-plugin] prepare release druid-0.4.19
[maven-release-plugin] prepare for next development iteration
bug fixes for segment metadata queries and spatial indexing
[maven-release-plugin] prepare release druid-0.4.20
[maven-release-plugin] prepare for next development iteration
cleanup interval determination in II