[split] Squashed commit of the following:

commit 17d8789e76382b38113bfca5cbce8567620c3e3e
Author: marius a. eriksen <marius@twitter.com>
Date:   Wed Apr 27 08:37:57 2011 -0700

    fix compile: provide the now-mandatory hostConnectionLimit parameter
    to the ClientBuilder in DuplexStreamSpec.

finagle-stream/src/test/scala/com/twitter/finagle/stream/DuplexStreamSpec.scala

@@ -45,6 +45,7 @@ object DuplexStreamSpec extends Specification {
       val factory = ClientBuilder()
         .codec(new DuplexStreamCodec(true))
         .hosts(Seq(address))
+        .hostConnectionLimit(1)
         .buildFactory()
 
       val client = factory.make()()
@@ -80,4 +81,4 @@ object DuplexStreamSpec extends Specification {
       }
     }
   }
-}
+}