Log Message:
prison: update to 5.70.0

5.68
  Fix pri file to not fail with CamelCase includes
  Fix pri file to have qmake name of QtGui as dependency
5.69
  Also expose the true minimum size to QML
  Add a new set of barcode size functions
  Simplify minimum size handling
  Move barcode image scaling logic to AbstractBarcode
  Add API to check whether a barcode is one- or two-dimensional