Wizards: Use C++11 in all qmake projects created by the JSON wizard

Change-Id: Idbe9053514ec94880df2d89a10ebe9bd4d9393b6
Reviewed-by: Alessandro Portale <alessandro.portale@theqtcompany.com>

share/qtcreator/templates/wizards/projects/qmake/consoleapp/file.pro

 QT += core
 QT -= gui
 
+CONFIG += c++11
+
 TARGET = %{ProjectName}
 CONFIG += console
 CONFIG -= app_bundle

share/qtcreator/templates/wizards/projects/qmake/qtcanvas3dapplication/app.pro

@@ -2,6 +2,8 @@ TEMPLATE = app
 
 QT += qml quick
 
+CONFIG += c++11
+
 SOURCES += main.cpp
 
 RESOURCES += qml.qrc

share/qtcreator/templates/wizards/projects/qmake/qtquickcontrolsapplication/app.pro

@@ -6,6 +6,8 @@ QT += qml quick widgets
 QT += qml quick
 @endif
 
+CONFIG += c++11
+
 SOURCES += %{MainCppFileName}
 
 RESOURCES += qml.qrc