Translations:Release notes 0.19/200/en

Pull request #2283, commit 159b8e7bdf.
 * Sketcher_ToggleActiveConstraint_example_disabled_2.png
 * New Sketcher ToggleActiveConstraint tool to temporarily deactivate a constraint without removing it entirely. This is helpful to test the movement of the sketch before fully constraining it.
 * New Sketcher ToggleActiveConstraint tool to temporarily deactivate a constraint without removing it entirely. This is helpful to test the movement of the sketch before fully constraining it.