A bunch of fixes

No longer hide players who are dead. With models, a death animation should be used instead

Some changes requested by celeron55

Rename a lot of things in the code, and use better lua api function names

Minor code corrections

Bump protocol version up, since the models / animations / attachments code creates new client<->server messages

src/environment.h

@@ -463,6 +463,8 @@ public:
 	
 	// Get event from queue. CEE_NONE is returned if queue is empty.
 	ClientEnvEvent getClientEvent();
+
+	std::vector<core::vector2d<int> > attachment_list; // X is child ID, Y is parent ID
 	
 private:
 	ClientMap *m_map;