Adjust a spate of hard coded values

Change-Id: I4cce0c1c7576123d9cc9cd66ed8935d40cf83d88

qml/cascade/Cascade.qml

@@ -26,7 +26,7 @@ Item {
         category: "Cascade"
         property int columnCount: 6
         property int initialFeedRate: 500
-        property real ratio: 1.4
+        property real ratio: 1.25
         property bool useGoldenRatio: true
     }
 
@@ -36,7 +36,7 @@ Item {
         property bool populated: false
         property bool paused: false
         property real goldenRatio: 1.61803398875
-        property real columnRatio: cascadeSettings.useGoldenRatio ? 1.61803398875 : 1.45
+        property real columnRatio: cascadeSettings.useGoldenRatio ? goldenRatio : cascadeSettings.ratio
         property real pace: 1.0/30.0
         property real columnWidth: root.width*goldenBeast(globalSettings.columnCount)