Minimap as HUD element with API control

Features:
 * Define Minimap available modes (surface/radar, scale) from Lua, using player:set_minimap_modes()
 * New HUD elements for displaying minimap with custom size and placing
 * New minimap mode for displaying a texture instead of the map

src/client/client.h

@@ -223,6 +223,7 @@ public:
 	void handleCommand_CSMRestrictionFlags(NetworkPacket *pkt);
 	void handleCommand_PlayerSpeed(NetworkPacket *pkt);
 	void handleCommand_MediaPush(NetworkPacket *pkt);
+	void handleCommand_MinimapModes(NetworkPacket *pkt);
 
 	void ProcessData(NetworkPacket *pkt);