Fact QML ready for translation

All qsTr calls done
Signed-off-by: Tomaz Canabrava <tomaz.canabrava@intel.com>

src/FactSystem/FactControls/FactCheckBox.qml

@@ -14,7 +14,7 @@ QGCCheckBox {
     partiallyCheckedEnabled: fact.value != checkedValue && fact.value != uncheckedValue
     checkedState: fact.value == checkedValue ? Qt.Checked : (fact.value == uncheckedValue ? Qt.Unchecked : Qt.PartiallyChecked)
 
-    text: "Label"
+    text: qsTr("Label")
 
     onClicked: {
         fact.value = checked ? checkedValue : uncheckedValue

src/FactSystem/FactControls/FactPanel.qml

@@ -67,7 +67,7 @@ FocusScope {
             QGCLabel {
                 anchors.fill:   parent
                 wrapMode:       Text.WordWrap
-                text:           __errorMsg.length ? __errorMsg : "Parameters(s) missing: " + __missingParams
+                text:           __errorMsg.length ? __errorMsg : qsTr("Parameters(s) missing: %1").arg(__missingParams)
             }
         }
     }

src/FactSystem/FactControls/FactTextField.qml

@@ -29,7 +29,7 @@ QGCTextField {
                 fact.value = text
             } else {
                 _validateString = text
-                qgcView.showDialog(editorDialogComponent, "Invalid Parameter Value", qgcView.showDialogDefaultWidth, StandardButton.Save)
+                qgcView.showDialog(editorDialogComponent, qsTr("Invalid Parameter Value"), qgcView.showDialogDefaultWidth, StandardButton.Save)
             }
         } else {
             fact.value = text