Update default RPC table to include test method

Signed-off-by: James Warren <admin@trezanik.org>
Add missing and new files to Visual Studio Qt5 project

- ui_status.h previously missing
- Add json_spirit to include path, needed now we've added RPC functionality

Signed-off-by: James Warren <admin@trezanik.org>
Amend doxygen file comment to file missing from projet

Signed-off-by: James Warren <admin@trezanik.org>