Change Settings to singleton and add AutoMouseArea.

Also fixes acceptInvitation issue.

qml/MatriqueSettings/plugins.qmltypes

@@ -0,0 +1,26 @@
+import QtQuick.tooling 1.2
+
+// This file describes the plugin-supplied types contained in the library.
+// It is used for QML tooling purposes only.
+//
+// This file was auto-generated by:
+// 'qmlplugindump -nonrelocatable MatriqueSettings 0.1 qml/'
+
+Module {
+    dependencies: ["Qt.labs.settings 1.0", "QtQuick 2.9"]
+    Component {
+        prototype: "QQmlSettings"
+        name: "MatriqueSettings 0.1"
+        exports: ["MatriqueSettings 0.1"]
+        exportMetaObjectRevisions: [1]
+        isComposite: true
+        isCreatable: false
+        isSingleton: true
+        Property { name: "lazyLoad"; type: "bool" }
+        Property { name: "asyncMessageDelegate"; type: "bool" }
+        Property { name: "richText"; type: "bool" }
+        Property { name: "pressAndHold"; type: "bool" }
+        Property { name: "darkTheme"; type: "bool" }
+        Property { name: "miniMode"; type: "bool" }
+    }
+}