Rearranged the codebase a little.

* Deleted empty Player.cpp
* Moved the helper functions from the obsolete CNStructs.cpp into
main.cpp and deleted it
* Renamed CombatManager to MobManager, as that will likely become it's
main focus soon

src/CNProtocol.cpp

@@ -167,7 +167,7 @@ void CNSocket::step() {
         // we aren't reading a packet yet, try to start looking for one
         int recved = recv(sock, (buffer_t*)readBuffer, sizeof(int32_t), 0);
         if (!SOCKETERROR(recved)) {
-            // we got out packet size!!!!
+            // we got our packet size!!!!
             readSize = *((int32_t*)readBuffer);
             // sanity check
             if (readSize > CN_PACKET_BUFFER_SIZE) {