lots of cleanups and refactorings
Merge branch 'master' into refactor-indexing
move publications into docs
Merge branch 'master' into refactor-indexing
merge and other refactorings
fix poms to pass unit tests
bug fixes
Merge branch 'master' into refactor-indexing
Merge branch 'master' into refactor-indexing
Merge branch 'master' into refactor-indexing

Conflicts:
	indexing-service/src/main/java/com/metamx/druid/indexing/common/task/IndexTask.java
	pom.xml
introduce availability groups
Merge branch 'master' into refactor-indexing
fix merge error
optimize spatial and update poms everywhere
some fixes according to code review comments
multiple bug fixes for indexing service; scv quotes
Merge pull request #148 from metamx/refactor-indexing

Refactor indexing