Cleaned up the trader, irs and simm demos so that things like the driver are used in test so that the node module isn't a compile dependency.

This has resulted in some classes moving into core, such as ClockUtils and FiberBox.

node/src/main/kotlin/net/corda/node/services/api/AcceptsFileUpload.kt

@@ -4,9 +4,8 @@ import net.corda.core.node.services.FileUploader
 
 /**
  * A service that implements AcceptsFileUpload can have new binary data provided to it via an HTTP upload.
- *
- * TODO: In future, also accept uploads over the MQ interface too.
  */
+// TODO This is no longer used and can be removed
 interface AcceptsFileUpload : FileUploader {
     /** A string that prefixes the URLs, e.g. "attachments" or "interest-rates". Should be OK for URLs. */
     val dataTypePrefix: String

node/src/main/kotlin/net/corda/node/utilities/FiberBox.kt

@@ -33,8 +33,8 @@ import kotlin.concurrent.withLock
  * to be temporary.  In addition, it's enitrely possible to envisage a time when we want public [net.corda.core.flows.FlowLogic]
  * implementations to be able to wait for some condition to become true outside of message send/receive.  At that point
  * we may revisit this implementation and indeed the whole model for this, when we understand that requirement more fully.
- *
  */
+// TODO This is no longer used and can be removed
 class FiberBox<out T>(private val content: T, private val lock: Lock = ReentrantLock()) {
     private var mutated: SettableFuture<Boolean>? = null