refactor indendation, fix a bug in MinecraftProcess & fix a bug in

InstanceLauncher

libmultimc/include/minecraftprocess.h

@@ -85,7 +85,7 @@ protected:
     QStringList m_arguments;
 
     void genArgs();
-    void log(QString text);
+	void log(QString text, ConsoleWindow::WriteMode mode = ConsoleWindow::MULTIMC);
 
 protected slots:
     void finish(int, QProcess::ExitStatus status);

libmultimc/src/minecraftprocess.cpp

@@ -197,6 +197,8 @@ void MinecraftProcess::launch()
 	start(m_instance->settings().get("JavaPath").toString(), m_arguments);
 	if (!waitForStarted())
 	{
+		log("Could not launch minecraft!", ConsoleWindow::ERROR);
+		return;
 		//TODO: error handling
 	}