pvac: add sync. monitor

documentation/examples.h

@@ -18,6 +18,15 @@ The shortest possible PVA put() example.
 */
 /**
 
+@page examples_minimonitor Simple Client Monitor Example
+
+The shortest possible PVA monitor() example.
+
+@include minimonitor.cpp
+
+*/
+/**
+
 @page examples_getme Client Get Example
 
 This example demonstrates a client which issues a Get operation on startup,

documentation/mainpage.h

@@ -13,10 +13,11 @@
 
 @section main_examples API usage Examples
 
-- Simplest (shortest) possible
+- Simple synchronous (blocking) examples
  - @ref examples_miniget
  - @ref examples_miniput
-- More complete
+ - @ref examples_minimonitor
+- More complete callback based examples
  - @ref examples_getme
  - @ref examples_putme
  - @ref examples_monitorme