snippet: Updated all snippet tags

Ensure all src C++ headers which have corresponding C++ examples have
doxygen tags which point to those examples.  Some were missing, some
were invalid, some needed to be updated to match the new example names.

Signed-off-by: Noel Eck <noel.eck@intel.com>

src/ozw/ozwdump.hpp

@@ -41,7 +41,7 @@ namespace upm {
    * (ozwdump), which initializes OZW on a Z-Wave network, and then
    * prints out all Nodes (devices) and their associated valueids.
    *
-   * @snippet ozwdump.cxx
+   * @snippet ozw-ozwdump.cxx Interesting
    */
 
   class OZWDUMP : public ozwInterface {