Split MultiMC up into a few separate libraries.

Fixed plugin system.

Tons of other stuff...

gui/mainwindow.cpp

@@ -21,20 +21,25 @@
 
 #include <QDesktopServices>
 #include <QUrl>
+#include <QFileInfo>
 
-#include "util/osutils.h"
+#include "osutils.h"
 
 #include "gui/settingsdialog.h"
 #include "gui/newinstancedialog.h"
 #include "gui/logindialog.h"
 #include "gui/taskdialog.h"
 
-#include "data/inst/instancelist.h"
-#include "data/appsettings.h"
+#include "instancelist.h"
+#include "appsettings.h"
 #include "data/version.h"
 
 #include "tasks/logintask.h"
 
+// Opens the given file in the default application.
+// TODO: Move this somewhere.
+void openInDefaultProgram(QString filename);
+
 MainWindow::MainWindow(QWidget *parent) :
 	QMainWindow(parent),
 	ui(new Ui::MainWindow),
@@ -156,3 +161,8 @@ void MainWindow::onLoginComplete(LoginResponse response)
 							 QString("Logged in as %1 with session ID %2.").
 							 arg(response.getUsername(), response.getSessionID()));
 }
+
+void openInDefaultProgram(QString filename)
+{
+	QDesktopServices::openUrl("file:///" + QFileInfo(filename).absolutePath());
+}