Review feedback

Now with unified style as agreed upon by Simon & Ian.

Rules:

- ID before all other props.
- All props before children.
- All props after ID in alphabetical order.
- Empty line between children.
- Semi-colons.

Note: I didn't touch the DiscoverUM3Action because that's it's whole own UI part.

plugins/UM3NetworkPrinting/resources/qml/PrinterFamilyPill.qml

@@ -5,26 +5,27 @@ import QtQuick 2.2
 import QtQuick.Controls 1.4
 import UM 1.2 as UM
 
-Item
-{
-    property alias text: familyNameLabel.text
+Item {
+    property alias text: familyNameLabel.text;
     property var padding: 3 * screenScaleFactor; // TODO: Theme!
-    implicitHeight: familyNameLabel.contentHeight +  2 * padding // Apply the padding to top and bottom.
-    implicitWidth: familyNameLabel.contentWidth + implicitHeight // The extra height is added to ensure the radius doesn't cut something off.
-    Rectangle
-    {
-        id: background
-        height: parent.height
-        width: parent.width
+    implicitHeight: familyNameLabel.contentHeight +  2 * padding; // Apply the padding to top and bottom.
+    implicitWidth: familyNameLabel.contentWidth + implicitHeight; // The extra height is added to ensure the radius doesn't cut something off.
+
+    Rectangle {
+        id: background;
+        anchors {
+            horizontalCenter: parent.horizontalCenter;
+            right: parent.right;
+        }
         color: UM.Theme.getColor("viewport_background"); // TODO: Theme!
-        anchors.right: parent.right
-        anchors.horizontalCenter: parent.horizontalCenter
-        radius: 0.5 * height
+        height: parent.height;
+        radius: 0.5 * height;
+        width: parent.width;
     }
-    Label
-    {
-        id: familyNameLabel
-        anchors.centerIn: parent
-        text: ""
+
+    Label {
+        id: familyNameLabel;
+        anchors.centerIn: parent;
+        text: "";
     }
 }