Correct indentation, class naming
Merge remote-tracking branch 'origin/tests-review' into tests-review

Conflicts:
	finagle-core/src/test/scala/com/twitter/finagle/builder/ClientBuilderTest.scala
	finagle-core/src/test/scala/com/twitter/finagle/builder/ClusterTest.scala
	finagle-core/src/test/scala/com/twitter/finagle/dispatch/ClientDispatcherTest.scala
	finagle-core/src/test/scala/com/twitter/finagle/service/FailureAccrualFactoryTest.scala
	finagle-zipkin/src/test/scala/com/twitter/finagle/zipkin/thrift/DeadlineSpanMapTest.scala