management: Making LocalControlHeader encoding independent of Interest/Data wire

Boost.Asio support multi-buffer send operation, which is enabled in this
commit for prepending (potentially different) LocalControlHeader's to
Interest/Data wire.

Change-Id: I39b979f89f196d3e47d6466fb71f6d440bce74d4
refs: #1265
diff --git a/src/meta-info.hpp b/src/meta-info.hpp
index ff71570..2bccd37 100644
--- a/src/meta-info.hpp
+++ b/src/meta-info.hpp
@@ -45,7 +45,7 @@
   wireDecode(const Block &wire);  
   
   ///////////////////////////////////////////////////////////////////////////////
-  // Gettest/setters
+  // Getters/setters
   
   uint32_t 
   getType() const