Start adding QML type annotations for AOT cachegen

Author: JamiKettunen

src/controls/qml/Dims.qml

@@ -61,23 +61,23 @@ QtObject {
         \qmlmethod real w(real number)
         \brief Returns a dimension that is \a number percent of the screen width.
     */
-    function w(number) {
+    function w(number: real): real {
         return (number/100)*Screen.desktopAvailableWidth
     }
 
     /*!
         \qmlmethod real h(real number)
         \brief Returns a dimension that is \a number percent of the screen height.
     */
-    function h(number) {
+    function h(number: real): real {
         return (number/100)*(Screen.desktopAvailableHeight+DeviceInfo.flatTireHeight)
     }
 
     /*!
         \qmlmethod real l(real number)
         \brief Returns a dimension that is \a number percent of the screen width or height; whichever is smaller.
     */
-    function l(number) {
+    function l(number: real): real {
         if(Screen.desktopAvailableWidth > (Screen.desktopAvailableHeight+DeviceInfo.flatTireHeight))
             return h(number)
         else