- Refactored victory loss condition checks

- Added toString() method to EVictoryLossCheckResult enum class to improve debugging
- Removed mostly unused CFunctionList2
- Added missing header files for vcmiclient project to CMakeLists
- Tweaked SDL suggests bpp message a bit
- Added showInfoDialogAndWait (info dialog and waits, used from client thread) and showOkDialog (callback to ok click, used from GUI thread) to player interface
- Added showOkDialog method to CInfoWindow (unused for now, but may be used later)

lib/CGameState.h

@@ -371,6 +371,7 @@ public:
 	bool operator!=(EVictoryLossCheckResult const & other) const;
 	bool victory() const;
 	bool loss() const;
+	std::string toString() const;
 
 	template <typename Handler> void serialize(Handler &h, const int version)
 	{