Merge branch 'Dev_1.1.0' of newgeom:newgeom into Dev_1.1.0

diff --cc src/SketchPlugin/plugin-Sketch.xml
index b7ccc6f990a47654d30a25a0d80ce997d19c1de9,62dd358f1a6773a4805624fef2de8d5c22f549f7..323120ce97e118b7ba7a2a910aaef4489415b097
--- 1/src/SketchPlugin/plugin-Sketch.xml
--- 2/src/SketchPlugin/plugin-Sketch.xml
+++ b/src/SketchPlugin/plugin-Sketch.xml
@@@ -199,8 -196,8 +199,9 @@@
          <sketch_constraint_shape_selector id="ConstraintEntityB"
              label="Last object" tooltip="Select line or arc" shape_types="edge">
          <validator id="SketchPlugin_TangentAttr" parameters="ConstraintEntityA"/>
+         <validator id="PartSet_DifferentObjects"/>
          </sketch_constraint_shape_selector>
 +        <validator id="PartSet_TangentSelection"/>
        </feature>
        
      <!--  SketchConstraintMirror  -->