GH-958 print PID when starting Minecraft

changelog.md

@@ -32,6 +32,7 @@
 - MultiMC now doesn't use a proxy by default
 - Running profilers now works on Windows
 - MultiMC will warn you if you run it from WinRAR or temporary folders
+- Minecraft process ID is printed in the log on start
 
 ##UI changes
 - Version lists:

logic/minecraft/MinecraftProcess.cpp

@@ -250,6 +250,9 @@ void MinecraftProcess::arm()
 		m_instance->setRunning(false);
 		return;
 	}
+
+	emit log(tr("Minecraft process ID: %1\n\n").arg(processId()), MessageLevel::MultiMC);
+
 	// send the launch script to the launcher part
 	QByteArray bytes = launchScript.toUtf8();
 	writeData(bytes.constData(), bytes.length());