Add 'plugins/USBPrinting/' from commit 'b28ca0881a'

git-subtree-dir: plugins/USBPrinting
git-subtree-mainline: 3823afd8cc
git-subtree-split: b28ca0881a

plugins/USBPrinting/FirmwareUpdateWindow.qml

@@ -0,0 +1,29 @@
+import QtQuick 2.1
+import QtQuick.Controls 1.1
+import QtQuick.Layouts 1.1
+Rectangle 
+{
+    width: 300; height: 100
+    ColumnLayout 
+    {
+
+        Text 
+        {
+            text: manager.progress == 0 ? "Starting firmware update, may take a while.": manager.progress > 99 ? "Firmware update completed.": "Updating firmware."
+        }
+        ProgressBar 
+        {
+            id: prog;
+            value: manager.progress
+            minimumValue: 0;
+            maximumValue: 100;
+            Layout.maximumWidth:parent.width
+            Layout.preferredWidth:230
+            Layout.preferredHeight:25
+            Layout.minimumWidth:230
+            Layout.minimumHeight:25
+            width: 230
+            height: 25
+        }
+    }
+}