Landscape mode support, better square view layout

touch/Dialog.qml

@@ -56,9 +56,12 @@ Rectangle {
         id: contents
         property int border: parent.width * 0.1
         width: parent.fullWidth ? parent.width : (parent.width - 2 * border)
-        property int maxHeight: parent.height - 4 * border
+        property int maxHeight: parent.height - toolbar.height
         height: ((page.contentHeight > 0 && page.contentHeight < maxHeight) ? page.contentHeight : maxHeight) * parent.opacity
-        anchors.centerIn: parent
+        anchors {
+            horizontalCenter: parent.horizontalCenter
+            top: parent.top
+        }
         color: Constants.colors.dialog
         clip: true
     }

touch/Main.qml

@@ -32,7 +32,8 @@ Item {
 
     GPodderPodcastListModel { id: podcastListModel }
 
-    property real scalef: width / 480
+    property real scalef: (width < height) ? (width / 480) : (height / 480)
+    property int shorterSide: (width < height) ? width : height
     property int dialogsVisible: 0
 
     anchors.fill: parent

touch/PlayerPage.qml

@@ -44,11 +44,6 @@ Dialog {
             width: flickable.width
             spacing: 10 * pgst.scalef
 
-            SlidePageHeader {
-                title: 'Now playing'
-                color: Constants.colors.playback
-            }
-
             Column {
                 anchors {
                     left: parent.left
@@ -56,6 +51,8 @@ Dialog {
                     margins: 30 * pgst.scalef
                 }
 
+                Item { width: parent.width; height: 20 * pgst.scalef }
+
                 PLabel {
                     anchors {
                         left: parent.left