Implement async FIB table manipulation

Implementation reuses the status information from NdnStatusOperation and
uses XSLT for basic preprocessing.

Change-Id: Id3dba1779e02451772d09bdc919fdc68475171a9
diff --git a/osx/menu-delegate.h b/osx/menu-delegate.h
index 994ed4c..27ced8c 100644
--- a/osx/menu-delegate.h
+++ b/osx/menu-delegate.h
@@ -18,6 +18,7 @@
   NSImage *m_connectedIcon;
   NSImage *m_disconnectedIcon;
   NSData  *m_statusXslt;
+  NSData  *m_statusToFibXslt;
 
   IBOutlet NSPopover *statusPopover;