clock tooltip with seconds, cpu overall utilization chart, move mem graph below stats

shell/applets/MemoryApplet.qml

@@ -70,19 +70,6 @@ Column {
         }
     }
 
-    // Memory history sparkline
-    SparklineCanvas {
-        anchors.left: parent.left
-        anchors.leftMargin: 12
-        anchors.right: parent.right
-        anchors.rightMargin: 12
-        height: 32
-        history: S.SystemStats.memHistory
-        strokeColor: root.accentColor
-        colorAt: v => S.Theme.loadColor(v)
-        active: root.active
-    }
-
     // Breakdown rows
     InfoRow {
         label: "Used"
@@ -101,6 +88,19 @@ Column {
         value: root._fmt(root.totalGb)
     }
 
+    // Memory history sparkline
+    SparklineCanvas {
+        anchors.left: parent.left
+        anchors.leftMargin: 12
+        anchors.right: parent.right
+        anchors.rightMargin: 12
+        height: 32
+        history: S.SystemStats.memHistory
+        strokeColor: root.accentColor
+        colorAt: v => S.Theme.loadColor(v)
+        active: root.active
+    }
+
     Separator {}
 
     Item {