Threw away old ThreadBasedDispatcher and replaced it with an EBEDD with 1 in core pool and 1 in max pool

akka-actor/src/main/scala/dispatch/ExecutorBasedEventDrivenDispatcher.scala

@@ -189,3 +189,13 @@ class ExecutorBasedEventDrivenDispatcher(
     buildThreadPool
   }
 }
+
+/**
+ * Usable to create a single-threaded dispatcher
+ */
+object SingleThread extends Function1[ThreadPoolBuilder,Unit] {
+  def apply(b: ThreadPoolBuilder) {
+    b setCorePoolSize 1
+    b setMaxPoolSize  1
+  }
+}