Translations:Sketcher project/11/en

For 0.14:
 * 1) Mouse Dragging for multiple selection
 * 2) List of Geometries in the task panel (similar to the list of Constraints)
 * 3) Add a popup menu option to convert a coincident points constraint to tangency constraints
 * 4) Polygon tool (convenience)
 * 5) Update wiki documentation on Symmetry constraint and Polyline tool (m-key)