Working on the connection manager.

Made a list model for displaying them in a list. Also added controles to edit
the most important properties.

databasewindow.cpp

@@ -0,0 +1,14 @@
+#include "databasewindow.h"
+#include "ui_databasewindow.h"
+
+DatabaseWindow::DatabaseWindow(QWidget *parent) :
+	QMainWindow(parent),
+	ui(new Ui::DatabaseWindow)
+{
+	ui->setupUi(this);
+}
+
+DatabaseWindow::~DatabaseWindow()
+{
+	delete ui;
+}