v3.2.2

Breaking changes : ol/control/Legend refactoring

• control is now based on ol/lengend/Legend to let have more fexibility on legend definition (associate legend to a layer, use legend of legend, etc.).
• control is now drawn in a canvas to print the legend on the map
  See example for more information

Others changes

• Add PrintDialog control
• Add VideoRecoder control
• Refactoring undo/redo + add stack 7405346
• Use numeric values on SearchFeature 367d0c1
• Editbar improvement #599
• bug on Subbar #600