Refactoring of networking code on server and client

* Avoid server crash on dummy connect / disconnect.
* Avoid server crash when host left from PreGame.
* Server print it's state with name when it's waiting for connection or in pregame.
* Server will use random port if specified port is busy.

lib/Interprocess.h

@@ -19,19 +19,22 @@
 struct ServerReady
 {
 	bool ready;
+	uint16_t port; //ui16?
 	boost::interprocess::interprocess_mutex  mutex;
 	boost::interprocess::interprocess_condition  cond;
 
 	ServerReady()
 	{
 		ready = false;
+		port = 0;
 	}
 
-	void setToTrueAndNotify()
+	void setToTrueAndNotify(uint16_t Port)
 	{
 		{
 			boost::unique_lock<boost::interprocess::interprocess_mutex> lock(mutex); 
 			ready = true;
+			port = Port;
 		}
 		cond.notify_all();
 	}

lib/VCMI_lib.vcxproj

@@ -424,4 +424,4 @@
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>
-</Project>
+</Project>

lib/VCMI_lib.vcxproj.filters

@@ -669,4 +669,4 @@
       <Filter>Header Files</Filter>
     </ClInclude>
   </ItemGroup>
-</Project>
+</Project>

lib/serializer/Connection.cpp

@@ -191,8 +191,7 @@ void CConnection::close()
 	if(socket)
 	{
 		socket->close();
-		delete socket;
-		socket = nullptr;
+		vstd::clear_pointer(socket);
 	}
 }