QmlJS: Add qsTr to Text snippet.

Change-Id: I8ca84c7b42860ea7875206c9198d8a75905a1b45
Reviewed-on: http://codereview.qt.nokia.com/550

Reviewed-by: Leandro T. C. Melo <leandro.melo@nokia.com>

share/qtcreator/snippets/qml.xml

@@ -17,7 +17,7 @@
 }</snippet>
 <snippet group="QML" trigger="Text" id="qml_text">Text {
     id: $name$
-    text: "$text$"
+    text: qsTr("$text$")
 }</snippet>
 <snippet group="QML" trigger="states" id="qml_states">states: [
     State {